List of syndromes

See also: Category:Syndromes

This is an alphabetically sorted list of medical syndromes.

#

  1. 1p36 deletion syndrome
  2. 1q21.1 deletion syndrome
  3. 1q21.1 duplication syndrome
  4. 13q deletion syndrome
  5. 17q21.31 microdeletion syndrome
  6. 22q11.2 distal deletion syndrome
  7. 22q11.2 duplication syndrome
  8. 22q13 deletion syndrome
  9. 2p15-16.1 microdeletion syndrome
  10. 2q37 deletion syndrome
  11. 3-M syndrome
  12. 3C syndrome
  13. 3q29 microdeletion syndrome
  14. 49,XXXXY
  15. 4D syndrome
  16. 8p23.1 duplication syndrome
  17. 9q34 deletion syndrome

A

  1. Aagenaes syndrome
  2. Aarskog–Scott syndrome
  3. Aase syndrome
  4. Abandoned child syndrome
  5. ABCD syndrome
  6. Abdallat–Davis–Farrage syndrome
  7. Abderhalden–Kaufmann–Lignac syndrome
  8. Abdominal compartment syndrome
  9. Ablepharon macrostomia syndrome
  10. Abruzzo–Erickson syndrome
  11. Achard syndrome
  12. Achard–Thiers syndrome
  13. Ackerman syndrome
  14. Acorea, microphthalmia and cataract syndrome
  15. Acrocallosal syndrome
  16. Acropectoral syndrome
  17. Acro–dermato–ungual–lacrimal–tooth syndrome
  18. Activation syndrome
  19. Acute aortic syndrome
  20. Acute brain syndrome
  21. Acute chest syndrome
  22. Acute coronary syndrome
  23. Acute HME syndrome
  24. Acute interstitial pneumonitis
  25. Acute motor axonal neuropathy
  26. Acute radiation syndrome
  27. Acute respiratory distress syndrome
  28. Acute retroviral syndrome
  29. Adams–Nance syndrome
  30. Adams–Oliver syndrome
  31. Adams–Stokes syndrome
  32. Adducted thumb syndrome
  33. Adie syndrome
  34. Adiposogenital dystrophy
  35. Adult-onset immunodeficiency syndrome
  36. Advanced sleep phase disorder
  37. Aerotoxic syndrome
  38. Afferent loop syndrome
  39. Aicardi syndrome
  40. Aicardi–Goutières syndrome
  41. AIDS dysmorphic syndrome
  42. Al-Raqad syndrome
  43. Alagille syndrome
  44. Albinism–deafness syndrome
  45. Alcohol withdrawal syndrome
  46. Alezzandrini syndrome
  47. Alice in Wonderland syndrome
  48. Alien hand syndrome
  49. Allan–Herndon–Dudley syndrome
  50. Allopurinol hypersensitivity syndrome
  51. Alopecia contractures dwarfism mental retardation syndrome
  52. Alpha-thalassemia mental retardation syndrome
  53. Alport syndrome
  54. Alström syndrome
  55. Alvarez' syndrome
  56. Amniotic band constriction
  57. Amotivational syndrome
  58. Amplified musculoskeletal pain syndromes
  59. Andermann syndrome
  60. Andersen–Tawil syndrome
  61. Androgen insensitivity syndrome
  62. Angelman syndrome
  63. ANOTHER syndrome
  64. Anterior cerebral artery syndrome
  65. Anterior compartment syndrome
  66. Anterior cutaneous nerve entrapment syndrome
  67. Anterior interosseous syndrome
  68. Anterior spinal artery syndrome
  69. Anticonvulsant hypersensitivity syndrome
  70. Antidepressant discontinuation syndrome
  71. Antiphospholipid syndrome
  72. Antisynthetase syndrome
  73. Antley–Bixler syndrome
  74. Anton–Babinski syndrome
  75. Aortic arch syndrome
  76. Aortocaval compression syndrome
  77. Apert syndrome
  78. Apparent mineralocorticoid excess syndrome
  79. Arakawa's syndrome II
  80. Ardalan–Shoja–Kiuru syndrome
  81. AREDYLD syndrome
  82. Aromatase excess syndrome
  83. Arterial tortuosity syndrome
  84. Arthrogryposis–renal dysfunction–cholestasis syndrome
  85. Arts syndrome
  86. Ascher's syndrome
  87. Asherman's syndrome
  88. Asperger syndrome
  89. Asymmetric crying facies
  90. Ataxia-pancytopenia syndrome
  91. Ataxia-telangiectasia
  92. Athletic heart syndrome
  93. Athymhormic syndrome
  94. ATR-16 syndrome
  95. Atrophodermia vermiculata
  96. Atypical hemolytic uremic syndrome
  97. Austrian syndrome
  98. Autoimmune disease
  99. Autoimmune lymphoproliferative syndrome
  100. Autoimmune polyendocrine syndrome type 1
  101. Autoimmune polyendocrine syndrome type 2
  102. Autoimmune polyendocrine syndrome type 3
  103. Autoimmune polyendocrine syndrome
  104. Autoinflammatory syndromes
  105. Avellis syndrome
  106. Axenfeld syndrome
  107. Axial spondyloarthritis
  108. Ayazi syndrome

B

  1. Babinski–Nageotte syndrome
  2. Baboon syndrome
  3. Baggio–Yoshinari syndrome
  4. Baller–Gerold syndrome
  5. Bamforth–Lazarus syndrome
  6. Bangstad syndrome
  7. Bannayan–Riley–Ruvalcaba syndrome
  8. Banti's syndrome
  9. Barakat syndrome
  10. Barakat-Perenthaler syndrome
  11. Bardet–Biedl syndrome
  12. Bare lymphocyte syndrome type II
  13. Bare lymphocyte syndrome
  14. Barlow's syndrome
  15. Barraquer–Simons syndrome
  16. Bart syndrome
  17. Bartter syndrome
  18. Bart–Pumphrey syndrome
  19. Bassen-Kornzweig syndrome
  20. Battered person syndrome
  21. Bazex–Dupré–Christol syndrome
  22. Beare–Stevenson cutis gyrata syndrome
  23. Beckwith–Wiedemann syndrome
  24. Behcet's syndrome
  25. Behr syndrome
  26. Benedikt syndrome
  27. Benign fasciculation syndrome
  28. Benjamin syndrome
  29. Benzodiazepine withdrawal syndrome
  30. Berdon syndrome
  31. Berk–Tabatznik syndrome
  32. Bernard–Soulier syndrome
  33. Berserk llama syndrome
  34. Bhaskar–Jagannathan syndrome
  35. Biemond syndrome
  36. Bilious vomiting syndrome
  37. Binder's syndrome
  38. Bing–Neel syndrome
  39. Birt–Hogg–Dubé syndrome
  40. Björnstad syndrome
  41. Bland-White-Garland syndrome
  42. Blau syndrome
  43. Blepharophimosis, ptosis, epicanthus inversus syndrome
  44. Blind loop syndrome
  45. Bloom syndrome
  46. Blount's disease
  47. Blue baby syndrome
  48. Blue diaper syndrome
  49. Blue rubber bleb nevus syndrome
  50. Blue toe syndrome
  51. Bobble-head doll syndrome
  52. Body fat redistribution syndrome
  53. Boerhaave syndrome
  54. Bogart–Bacall syndrome
  55. Bohring–Opitz syndrome
  56. Bonnet–Dechaume–Blanc syndrome
  57. Bowen–Conradi syndrome
  58. Brachycephalic airway obstructive syndrome
  59. Brainstem stroke syndrome
  60. Branchio-oculo-facial syndrome
  61. Branchio-oto-renal syndrome
  62. Bromism
  63. Brown's syndrome
  64. Brown-Séquard syndrome
  65. Brown–Vialetto–Van Laere syndrome
  66. Bruck syndrome
  67. Brugada syndrome
  68. Brunner syndrome
  69. Budd–Chiari syndrome
  70. Burning feet syndrome
  71. Burning mouth syndrome
  72. Burnside–Butler syndrome
  73. Buschke–Ollendorff syndrome
  74. Bálint's syndrome
  75. Börjeson-Forssman-Lehmann syndrome

C

  1. CADASIL
  2. Camera-Marugo-Cohen syndrome
  3. CAMFAK syndrome
  4. Camptodactyly-arthropathy-coxa vara-pericarditis syndrome
  5. Cancer syndrome
  6. Cancer-related fatigue
  7. CANDLE syndrome
  8. Canine epileptoid cramping syndrome
  9. Cannabinoid hyperemesis syndrome (CHS)
  10. Cantú syndrome
  11. Capgras delusion
  12. Capgras syndrome
  13. Capillary leak syndrome
  14. Caplan's syndrome
  15. Carcinoid syndrome
  16. Cardiac syndrome X
  17. Cardiofaciocutaneous syndrome
  18. Cardiorenal syndrome
  19. Cardiovascular syndrome
  20. Carney complex
  21. Caroli disease
  22. Carpal tunnel syndrome
  23. Carpenter syndrome
  24. Cat eye syndrome
  25. Cataract-microcornea syndrome
  26. Catastrophic antiphospholipid syndrome
  27. Catel–Manzke syndrome
  28. Cauda equina syndrome
  29. Caudal regression syndrome
  30. CDK13-related disorder
  31. Celebrity worship syndrome
  32. Central centrifugal cicatricial alopecia
  33. Central cord syndrome
  34. Central nervous system syndrome
  35. Central pain syndrome
  36. Centurion syndrome
  37. Cerebellar cognitive affective syndrome
  38. Cerebellar stroke syndrome
  39. Cerebellopontine angle syndrome
  40. Cerebral salt-wasting syndrome
  41. Cervicocranial syndrome
  42. Charcot–Marie–Tooth disease
  43. CHARGE syndrome
  44. Charles Bonnet syndrome
  45. Chiari–Frommel syndrome
  46. Chiasmal syndrome
  47. Chilaiditi syndrome
  48. Child sexual abuse accommodation syndrome
  49. CHILD syndrome
  50. childhood myelodysplastic syndrome
  51. Childhood tumor syndrome
  52. Chinese Restaurant Syndrome
  53. Chromosomal deletion syndrome
  54. Chromosome 5q deletion syndrome
  55. Chronic fatigue syndrome
  56. Chronic functional abdominal pain
  57. Chronic infantile neurologic cutaneous and articular syndrome
  58. Chronic Lyme disease
  59. Chronic prostatitis/chronic pelvic pain syndrome
  60. Churg–Strauss syndrome
  61. Chédiak–Higashi syndrome
  62. Claude's syndrome
  63. Clinically isolated syndrome
  64. CLOVES syndrome
  65. COACH syndrome
  66. Cobb syndrome
  67. Cockayne syndrome
  68. Coffin–Lowry syndrome
  69. Coffin–Siris syndrome
  70. Cogan syndrome
  71. Cohen syndrome
  72. Compartment syndrome
  73. Complement deficiency
  74. Complete androgen insensitivity syndrome
  75. Complex regional pain syndrome
  76. Computer vision syndrome
  77. Conductive deafness-ptosis-skeletal anomalies syndrome
  78. Congenital bilateral perisylvian syndrome
  79. Congenital contractural arachnodactyly
  80. Congenital generalized lipodystrophy
  81. Congenital insensitivity to pain
  82. Congenital myasthenic syndrome
  83. Congenital nephrotic syndrome
  84. Congenital rubella syndrome
  85. Conn's syndrome
  86. Conorenal syndrome
  87. Conradi–Hünermann syndrome
  88. Constriction ring syndrome
  89. Contiguous gene syndrome
  90. Conus medullaris syndrome
  91. Cooks syndrome
  92. Cord colitis syndrome
  93. Corneal-cerebellar syndrome
  94. Corneal dystrophy-perceptive deafness syndrome
  95. Cornelia de Lange Syndrome
  96. Corneodermatoosseous syndrome
  97. Coronary steal
  98. Costeff syndrome
  99. Costello syndrome
  100. Cotard delusion
  101. Cotard's Syndrome
  102. Cotton fever
  103. Cowden syndrome
  104. Cracked tooth syndrome
  105. Cramp fasciculation syndrome
  106. Crandall syndrome
  107. Craniosynostosis–anal anomalies–porokeratosis syndrome
  108. Cranio-lenticulo-sutural dysplasia
  109. CREST syndrome
  110. Cri du chat
  111. Crigler–Najjar syndrome
  112. Crome syndrome
  113. Cronkhite–Canada syndrome
  114. Cross syndrome
  115. Crouzon syndrome
  116. Crouzonodermoskeletal syndrome
  117. Crush syndrome
  118. Cruveilhier-Baumgarten syndrome
  119. Cryopyrin-associated periodic syndrome
  120. Cryptorchidism-arachnodactyly-intellectual disability syndrome
  121. Cuboid syndrome
  122. Currarino syndrome
  123. Cushing's syndrome
  124. Cyclic vomiting syndrome
  125. Cytokine release syndrome

D

  1. Da Costa's syndrome
  2. Daentl Townsend Siegel syndrome
  3. Dahlberg Borer Newcomer syndrome
  4. Dandy–Walker syndrome
  5. De Barsy syndrome
  6. de Clérambault's syndrome
  7. De Quervain syndrome
  8. De Winter syndrome
  9. Dead arm syndrome
  10. Deficiency of the interleukin-1–receptor antagonist
  11. Degenerative disc disease
  12. Dejerine–Roussy syndrome
  13. Delayed sleep phase disorder
  14. Delusional misidentification syndrome
  15. Delusional parasitosis
  16. Dennie–Marfan syndrome
  17. Dentomandibular sensorimotor dysfunction
  18. Denys–Drash syndrome
  19. DeSanctis–Cacchione syndrome
  20. Descending perineum syndrome
  21. Diabetic stiff hand syndrome
  22. Dialysis disequilibrium syndrome
  23. Diencephalic syndrome
  24. Diffuse infiltrative lymphocytosis syndrome
  25. DiGeorge syndrome
  26. Diogenes syndrome
  27. Diploid-triploid mosaicism
  28. Disconnection syndrome
  29. Distal 18q-
  30. Distal intestinal obstruction syndrome
  31. Distal trisomy 10q
  32. Doege–Potter syndrome
  33. Donnai–Barrow syndrome
  34. Donohue syndrome
  35. DOOR syndrome
  36. Dopamine dysregulation syndrome
  37. Down syndrome
  38. Dravet syndrome
  39. Dressler syndrome
  40. Drug reaction with eosinophilia and systemic symptoms
  41. Dry eye syndrome
  42. Duane syndrome
  43. Duane-radial ray syndrome
  44. Dubin–Johnson syndrome
  45. Dubowitz syndrome
  46. Dumping syndrome
  47. Dysexecutive syndrome
  48. Dyskeratosis congenita
  49. Dysplastic nevus syndrome

E

  1. Eagle syndrome
  2. Ectrodactyly–ectodermal dysplasia–cleft syndrome
  3. Edwards syndrome
  4. EEM syndrome
  5. Egg drop syndrome
  6. Ehlers–Danlos syndrome
  7. Eiken syndrome
  8. Einstein syndrome
  9. Eisenmenger's syndrome
  10. Eldomery-Sutton syndrome
  11. Elejalde syndrome
  12. Ellis–van Creveld syndrome
  13. Emanuel syndrome
  14. Empty nest syndrome
  15. Empty nose syndrome
  16. Empty sella syndrome
  17. Enlarged vestibular aqueduct syndrome
  18. Environmental dependency syndrome
  19. Eosinophilia–myalgia syndrome
  20. Eosinophilic cellulitis
  21. Epidermal nevus syndrome
  22. Epilepsy syndromes
  23. Episodic dyscontrol syndrome
  24. Epizootic ulcerative syndrome
  25. Erdheim–Chester disease
  26. Erondu–Cymet syndrome
  27. Estrogen insensitivity syndrome
  28. Euthyroid sick syndrome
  29. Evans syndrome
  30. Excess ovarian androgen release syndrome
  31. Exploding head syndrome
  32. Extrapyramidal symptoms

F

  1. FACES syndrome
  2. Facet syndrome
  3. Facial Onset Sensory Motor Neuropathy syndrome
  4. Fahr's syndrome
  5. Failed back syndrome
  6. Familial cold autoinflammatory syndrome
  7. Familial Mediterranean fever
  8. Familial partial lipodystrophy
  9. Familial Adenomatous Polyposis
  10. Fanconi syndrome
  11. Favre–Racouchot syndrome
  12. Febrile infection-related epilepsy syndrome
  13. Febrile neutrophilic dermatosis
  14. Fechtner syndrome
  15. Feingold syndrome
  16. Feline hyperesthesia syndrome
  17. Felty's syndrome
  18. Femur fibula ulna syndrome
  19. Fetal alcohol syndrome
  20. Fetal hydantoin syndrome
  21. Fetal trimethadione syndrome
  22. Fetal valproate syndrome
  23. Fetal warfarin syndrome
  24. FG syndrome
  25. Fibrinolysis syndrome
  26. Fibromyalgia syndrome
  27. Fibromyalgia
  28. First arch syndrome
  29. Fish acute toxicity syndrome
  30. Fitz-Hugh–Curtis syndrome
  31. Fitzsimmons–Guilbert syndrome
  32. Flammer syndrome
  33. Fleischer's syndrome
  34. Floating–Harbor syndrome
  35. Floppy eyelid syndrome
  36. Floppy trunk syndrome
  37. Florid cutaneous papillomatosis
  38. Flynn–Aird syndrome
  39. Foal immunodeficiency syndrome
  40. Foerster's syndrome
  41. Foix–Alajouanine syndrome
  42. Foix–Chavany–Marie syndrome
  43. Folie à deux
  44. Follicle-stimulating hormone insensitivity
  45. Forbes-Albright syndrome
  46. Foreign accent syndrome
  47. Foster–Kennedy syndrome
  48. Fountain syndrome
  49. Foville's syndrome
  50. Fragile X syndrome
  51. Fragile X-associated tremor/ataxia syndrome
  52. Franceschetti–Klein syndrome
  53. Frank–ter Haar syndrome
  54. Fraser syndrome
  55. Frasier syndrome
  56. Freeman–Sheldon syndrome
  57. Frey's syndrome
  58. Froin's syndrome
  59. Fryns syndrome
  60. Functional somatic syndrome

G

  1. Gaisböck syndrome
  2. Galloway Mowat syndrome
  3. GAPO syndrome
  4. Gardner's syndrome
  5. Gastric outlet obstruction
  6. Gastrocutaneous syndrome
  7. Gastrointestinal syndrome
  8. Genitopatellar syndrome
  9. Gerstmann syndrome
  10. Gerstmann–Sträussler–Scheinker syndrome
  11. Geschwind syndrome
  12. Gianotti–Crosti syndrome
  13. Giant platelet disorder
  14. Guillain–Barré syndrome
  15. Gillespie syndrome
  16. Gitelman syndrome
  17. Gleich's syndrome
  18. GMS syndrome
  19. Goldberg–Shprintzen syndrome
  20. Goldenhar syndrome
  21. Gomez and López-Hernández syndrome
  22. Gonadotropin insensitivity
  23. Gonadotropin-releasing hormone insensitivity
  24. Goodpasture syndrome
  25. Gordon syndrome
  26. Gougerot–Blum syndrome
  27. Gourmand syndrome
  28. Gouverneur's syndrome
  29. GRACILE syndrome
  30. Graham-Little syndrome
  31. Gray baby syndrome
  32. Gray platelet syndrome
  33. Greater trochanteric pain syndrome
  34. Green nail syndrome
  35. Greig cephalopolysyndactyly syndrome
  36. Grinspan's syndrome
  37. Griscelli syndrome type 2
  38. Griscelli syndrome type 3
  39. Griscelli syndrome
  40. Grisel's syndrome
  41. Growing teratoma syndrome
  42. Gilbert's syndrome
  43. Gulf War syndrome

H

  1. Haber syndrome
  2. Hagemoser–Weinstein–Bresnick syndrome
  3. Haglund's syndrome
  4. Haim–Munk syndrome
  5. Hajdu–Cheney syndrome
  6. Halal syndrome
  7. Hallermann–Streiff syndrome
  8. Hamman's syndrome
  9. Hamman-Rich syndrome
  10. Hand-foot-genital syndrome
  11. Handigodu syndrome
  12. Hanhart syndrome
  13. Hantavirus pulmonary syndrome
  14. Hapnes Boman Skeie syndrome
  15. Harlequin syndrome
  16. Harris platelet syndrome
  17. Harrison syndrome
  18. Havana syndrome
  19. Hay–Wells syndrome
  20. Hearing loss with craniofacial syndromes
  21. HEC syndrome
  22. Heel pad syndrome
  23. Heel spur syndrome
  24. Heerfordt syndrome
  25. HELLP syndrome
  26. Hemihyperplasia–multiple lipomatosis syndrome
  27. Hemimegalencephaly
  28. Hemispatial neglect
  29. Hemoglobin Lepore syndrome
  30. Hemolytic-uremic syndrome
  31. Hennekam syndrome
  32. Hepatopulmonary syndrome
  33. Hepatorenal syndrome
  34. Hereditary breast–ovarian cancer syndrome
  35. Hereditary hyperbilirubinemia
  36. Hereditary leiomyomatosis and renal cell cancer syndrome
  37. Hereditary neuralgic amyotrophy
  38. Hereditary nonpolyposis colorectal cancer
  39. Hermansky–Pudlak syndrome
  40. Hero syndrome
  41. Heyde's syndrome
  42. High-rise syndrome
  43. HIV/AIDS
  44. Holiday heart syndrome
  45. Holt–Oram syndrome
  46. Horn-Kolb syndrome
  47. Horner's syndrome
  48. Howel–Evans syndrome
  49. Hoyeraal-Hreidarsson syndrome
  50. Ho–Kaufman–Mcalister syndrome
  51. Hughes–Stovin syndrome
  52. Hunan hand syndrome
  53. Hunter syndrome
  54. Huntington's disease-like syndrome
  55. HUPRA syndrome
  56. Hurler syndrome
  57. Hurler–Scheie syndrome
  58. Hutchinson–Gilford progeria syndrome
  59. Hydrolethalus syndrome
  60. Hyper IgM syndrome
  61. Hyper-IgD syndrome
  62. Hyper-IgM syndrome type 1
  63. Hyper-IgM syndrome type 2
  64. Hyper-IgM syndrome type 3
  65. Hyper-IgM syndrome type 4
  66. Hyper-IgM syndrome type 5
  67. Hyperimmunoglobulin D syndrome
  68. Hyperimmunoglobulin E syndrome
  69. Hypermobility syndrome
  70. Hyperosmolar syndrome
  71. Hyperprolactinaemia
  72. Hyperprolactinemic SAHA syndrome
  73. Hypertension and brachydactyly syndrome
  74. Hypertrichosis cubiti
  75. Hyperventilation syndrome
  76. Hyperviscosity syndrome
  77. Hypohidrotic ectodermal dysplasia
  78. Hypoplastic left heart syndrome
  79. Hypoplastic right heart syndrome
  80. Hypotonia
  81. Hypotrichosis–acro-osteolysis–onychogryphosis–palmoplantar keratoderma–periodontitis syndrome
  82. Hypotrichosis–lymphedema–telangiectasia syndrome
  83. Hystrix-like ichthyosis–deafness syndrome

I

  1. Ichthyosis follicularis with alopecia and photophobia syndrome
  2. Ichthyosis prematurity syndrome
  3. Idiopathic pneumonia syndrome
  4. Idiopathic postprandial syndrome
  5. Idiopathic pure sudomotor failure
  6. Iliotibial band syndrome
  7. Imerslund–Gräsbeck syndrome
  8. Immersion foot syndromes
  9. Immune reconstitution inflammatory syndrome
  10. Immunodeficiency–centromeric instability–facial anomalies syndrome
  11. Impingement syndrome
  12. Imposter syndrome
  13. Incontinentia pigmenti
  14. Infant respiratory distress syndrome
  15. Inferior vena cava syndrome
  16. Infertility in polycystic ovary syndrome
  17. Influenza-like illness
  18. Institutional syndrome
  19. Intersection syndrome
  20. Interstitial cystitis
  21. Intracranial hypertension syndrome
  22. Intraoperative floppy iris syndrome
  23. Intravenous marijuana syndrome
  24. IPEX syndrome
  25. Iridocorneal endothelial syndrome
  26. Irlen syndrome
  27. Irregular sleep–wake rhythm
  28. irritable bladder syndrome
  29. Irritable bowel syndrome
  30. Irritable male syndrome
  31. Irukandji syndrome
  32. Irvine–Gass syndrome

J

  1. Jackson–Weiss syndrome
  2. Jacobsen syndrome
  3. Jaffe–Campanacci syndrome
  4. Jalili syndrome
  5. Jansen's metaphyseal chondrodysplasia
  6. Janz syndrome
  7. Jeavons syndrome
  8. Jervell and Lange-Nielsen syndrome
  9. Johanson–Blizzard syndrome
  10. Johnson–McMillin syndrome
  11. Johnson–Munson syndrome
  12. Joubert syndrome
  13. Juberg-Hellman syndrome
  14. Jugular foramen syndrome
  15. Juvenile polyposis syndrome
  16. Jerusalem syndrome

K

  1. Kabuki syndrome
  2. Kallmann syndrome
  3. Kapur–Toriello syndrome
  4. Karak syndrome
  5. Karsch-Neugebauer syndrome
  6. Kartagener's syndrome
  7. Kasabach–Merritt syndrome
  8. Katz syndrome
  9. Kaufman oculocerebrofacial syndrome
  10. Kearns–Sayre syndrome
  11. Keppen–Lubinsky syndrome
  12. Keratitis–ichthyosis–deafness syndrome
  13. Keratosis linearis with ichthyosis congenita and sclerosing keratoderma syndrome
  14. Keutel syndrome
  15. Khyâl cap
  16. Kimmelstiel-Wilson syndrome
  17. Kindler syndrome
  18. King–Kopetzky syndrome
  19. Kleine–Levin syndrome
  20. Klinefelter syndrome
  21. Klippel–Feil syndrome
  22. Klippel–Trénaunay syndrome
  23. Klüver–Bucy syndrome
  24. Knobloch syndrome
  25. Kocher–Debre–Semelaigne syndrome
  26. Kohlschütter-Tönz syndrome
  27. Korsakoff's syndrome
  28. Kostmann syndrome
  29. Kounis syndrome
  30. Kowarski syndrome
  31. Kufor–Rakeb syndrome
  32. König's syndrome

L

  1. Lachiewicz–Sibley syndrome
  2. Lacunar Stroke Syndrome
  3. Lambert–Eaton myasthenic syndrome
  4. Landau–Kleffner syndrome
  5. Langer–Giedion syndrome
  6. Laron syndrome
  7. Larsen syndrome
  8. Laryngoonychocutaneous syndrome
  9. Lateral medullary syndrome
  10. Lateral meningocele syndrome
  11. Lateral pontine syndrome
  12. Laugier–Hunziker syndrome
  13. Laurence–Moon syndrome
  14. Lavender foal syndrome
  15. Lawrence–Seip syndrome
  16. Lazarus syndrome
  17. Leaky gut syndrome
  18. Legg–Calvé–Perthes disease
  19. Legius syndrome
  20. Leiner's disease
  21. Lelis syndrome
  22. Lemierre's syndrome
  23. Lennox–Gastaut syndrome
  24. Lenz microphthalmia syndrome
  25. Lenz–Majewski syndrome
  26. Leriche's syndrome
  27. Leschke syndrome
  28. Lesch–Nyhan syndrome
  29. Lethal congenital contracture syndrome
  30. Lethal white syndrome
  31. Leukotriene receptor antagonist-associated Churg–Strauss syndrome
  32. Levator ani syndrome
  33. Leydig cell hypoplasia
  34. Liddle's syndrome
  35. Liebenberg syndrome
  36. LIG4 syndrome
  37. Lima syndrome
  38. Limb girdle syndrome
  39. Limber tail syndrome
  40. Limb–mammary syndrome
  41. Linburg–Comstock syndrome
  42. Li–Fraumeni syndrome
  43. Locked-in syndrome
  44. Locomotive syndrome
  45. Loeys–Dietz syndrome
  46. Loin pain hematuria syndrome
  47. Long COVID
  48. Long face syndrome
  49. Long QT syndrome
  50. Loose anagen syndrome
  51. Lown–Ganong–Levine syndrome
  52. Lowry–MacLean syndrome
  53. Lucey–Driscoll syndrome
  54. Lujan–Fryns syndrome
  55. Lutembacher's syndrome
  56. Lymphangitis carcinomatosa
  57. Lymphedema–distichiasis syndrome
  58. Lynch syndrome
  59. Lyngstadaas syndrome
  60. Löffler's syndrome
  61. Löfgren syndrome

M

  1. M74 syndrome
  2. Macrocephaly-capillary malformation
  3. Macrophage activation syndrome
  4. Maffucci syndrome
  5. Majeed syndrome
  6. Majewski's polydactyly syndrome
  7. Mal de debarquement
  8. Malformative syndrome
  9. Mallory–Weiss syndrome
  10. Malnutrition–inflammation complex
  11. Malouf syndrome
  12. Malpuech facial clefting syndrome
  13. Management of chronic headaches
  14. Manning criteria
  15. Marchiafava–Bignami disease
  16. Marden–Walker syndrome
  17. Mare reproductive loss syndrome
  18. Marfan syndrome
  19. Marfanoid–progeroid–lipodystrophy syndrome
  20. Marie Antoinette syndrome
  21. Marinesco–Sjögren syndrome
  22. Maroteaux–Lamy syndrome
  23. Marshall syndrome
  24. Marshall–Smith syndrome
  25. Marshall–White syndrome
  26. MASA syndrome
  27. Mast cell activation syndrome
  28. Mauriac syndrome
  29. Mayer–Rokitansky–Küster–Hauser syndrome
  30. May–Thurner syndrome
  31. May–White syndrome
  32. McArdle syndrome
  33. McCune–Albright syndrome
  34. McCusick syndrome
  35. McGillivray syndrome
  36. McKittrick–Wheelock syndrome
  37. McKusick–Kaufman syndrome
  38. McLeod syndrome
  39. MDP syndrome
  40. Mean world syndrome
  41. Meckel syndrome
  42. Meconium aspiration syndrome
  43. Medial medullary syndrome
  44. Medial pontine syndrome
  45. Median arcuate ligament syndrome
  46. Medical students' disease
  47. MEDNIK syndrome
  48. Megavitamin-B6 syndrome
  49. Meige's syndrome
  50. Meigs' syndrome
  51. MELAS syndrome
  52. Melkersson–Rosenthal syndrome
  53. Melnick–Needles syndrome
  54. Memory distrust syndrome
  55. Mendelson's syndrome
  56. Ménière's disease
  57. Menkes disease
  58. MERRF syndrome
  59. Metabolic syndrome
  60. Michelin tire baby syndrome
  61. Michels Caskey syndrome
  62. Michels syndrome
  63. Mickleson syndrome
  64. Micro syndrome
  65. Microdeletion syndrome
  66. Microphthalmia–dermal aplasia–sclerocornea syndrome
  67. Middle cerebral artery syndrome
  68. Middle child syndrome
  69. Middle East respiratory syndrome
  70. Mikulicz syndrome
  71. Mild androgen insensitivity syndrome
  72. Milk-alkali syndrome
  73. Millard–Gubler syndrome
  74. Miller Fisher syndrome
  75. Miller syndrome
  76. Miller–Dieker syndrome
  77. Milroy's disease
  78. Milwaukee shoulder syndrome
  79. Mirhosseini–Holmes–Walton syndrome
  80. Mirizzi's syndrome
  81. Mirror syndrome
  82. Mismatch repair cancer syndrome
  83. Mitochondrial DNA depletion syndrome
  84. Mitochondrial neurogastrointestinal encephalopathy syndrome
  85. Mitral valve prolapse
  86. Mittelschmerz
  87. Mohr–Tranebjærg syndrome
  88. MOMO syndrome
  89. Monofixation syndrome
  90. MonoMAC
  91. Morgagni Stewart Morel syndrome
  92. MORM syndrome
  93. Morquio syndrome
  94. Morvan's syndrome
  95. Mouth and genital ulcers with inflamed cartilage syndrome
  96. Mowat–Wilson syndrome
  97. Moyamoya disease
  98. Moynahan syndrome
  99. Muckle–Wells syndrome
  100. Muenke syndrome
  101. Muir–Torre syndrome
  102. Mukamel syndrome
  103. Multiple endocrine neoplasia type 1
  104. Multiple endocrine neoplasia type 2
  105. Multiple evanescent white dot syndrome
  106. Multiple hamartoma syndrome
  107. Multiple organ dysfunction syndrome
  108. Multiple pterygium syndrome
  109. Munchausen syndrome
  110. Mungan syndrome
  111. Musical ear syndrome
  112. Mycosis fungoides
  113. Myelodysplastic syndrome
  114. Myoclonic astatic epilepsy
  115. Myofascial pain syndrome
  116. Myomatous erythrocytosis syndrome
  117. Möbius syndrome
  118. Müllerian agenesis

N

  1. Nablus mask-like facial syndrome
  2. Naegeli–Franceschetti–Jadassohn syndrome
  3. Nager acrofacial dysostosis
  4. Nail–patella syndrome
  5. Nakajo syndrome
  6. Nance–Horan syndrome
  7. Napoleonist Syndrome
  8. Nasodigitoacoustic syndrome
  9. Naxos syndrome
  10. Nelson's syndrome
  11. NEMO deficiency syndrome
  12. Neonatal ichthyosis–sclerosing cholangitis syndrome
  13. Nephritic syndrome
  14. Nephrotic syndrome
  15. Nerve compression syndrome
  16. Netherton syndrome
  17. Neu–Laxova syndrome
  18. Neuro-cardio-facial-cutaneous syndromes
  19. Neurofibromatosis type I
  20. Neuroleptic malignant syndrome
  21. Neuroleptic-Induced Deficit Syndrome
  22. Neutrophil immunodeficiency syndrome
  23. Nevo syndrome
  24. Nevoid basal-cell carcinoma syndrome
  25. Nezelof syndrome
  26. Nicolaides–Baraitser syndrome
  27. Nicolau–Balus syndrome
  28. Night eating syndrome
  29. Nijmegen breakage syndrome
  30. Njølstad syndrome
  31. Nodding disease
  32. Non-24-hour sleep–wake disorder
  33. Noonan syndrome with multiple lentigines
  34. Noonan syndrome
  35. Norman–Roberts syndrome
  36. Northern epilepsy syndrome
  37. Nutcracker syndrome

O

  1. Occipital horn syndrome
  2. Ocular ischemic syndrome
  3. Oculo-respiratory syndrome
  4. Oculoauricular syndrome
  5. Oculocerebrocutaneous syndrome
  6. Oculocerebrorenal syndrome
  7. Oculofaciocardiodental syndrome
  8. Oculomucocutaneous syndrome
  9. Odontoma dysphagia syndrome
  10. Odonto–tricho–ungual–digital–palmar syndrome
  11. Ogden Syndrome
  12. Ogilvie syndrome
  13. Ohtahara syndrome
  14. Olfactory reference syndrome
  15. Oliver–McFarlane syndrome
  16. Omenn syndrome
  17. One and a half syndrome
  18. Oneiroid syndrome
  19. Opitz G/BBB Syndrome
  20. Opsoclonus myoclonus syndrome
  21. Oral allergy syndrome
  22. Oral mite anaphylaxis
  23. Oral-facial-digital syndrome
  24. Orbital apex syndrome
  25. Organic brain syndrome
  26. Organic dust toxic syndrome
  27. Orofaciodigital syndrome 1
  28. Ortner's syndrome
  29. OSLAM syndrome
  30. Osler–Weber–Rendu disease
  31. Otodental syndrome
  32. Otofacial syndrome
  33. Ovarian hyperstimulation syndrome
  34. Ovarian vein syndrome
  35. Overgrowth syndrome
  36. Overlap syndrome

P

  1. Pacak–Zhuang syndrome
  2. Pacemaker syndrome
  3. Painful bruising syndrome
  4. Pallister–Hall syndrome
  5. Pallister–Killian syndrome
  6. Panayiotopoulos syndrome
  7. Pancoast tumor
  8. Pantothenate kinase-associated neurodegeneration
  9. PAPA syndrome
  10. Papillon–Lefèvre syndrome
  11. Papillorenal syndrome
  12. Papular purpuric gloves and socks syndrome
  13. Paraneoplastic acrokeratosis
  14. Paraneoplastic cerebellar degeneration
  15. Paraneoplastic syndrome
  16. Parental alienation syndrome
  17. Parinaud's oculoglandular syndrome
  18. Parinaud's syndrome
  19. Paris-Trousseau syndrome
  20. Parkes Weber syndrome
  21. Parkinson plus syndrome
  22. Paroxysmal hand hematoma
  23. Paroxysmal tachycardia
  24. Parry–Romberg syndrome
  25. Parsonage–Turner syndrome
  26. Partial androgen insensitivity syndrome
  27. Pashayan syndrome
  28. Patau syndrome
  29. Patellar subluxation syndrome
  30. Patellofemoral pain syndrome
  31. Patterson syndrome
  32. Pearson syndrome
  33. PANDAS
  34. Peeling skin syndrome
  35. PEHO syndrome
  36. Pellegrini–Stieda syndrome
  37. Pelvic congestion syndrome
  38. Pelvic pain
  39. Pemphigus erythematosus
  40. Pendred syndrome
  41. Penile Artery Shunt Syndrome
  42. Pentalogy of Cantrell
  43. Periodic fever syndrome
  44. Periodic fever, aphthous stomatitis, pharyngitis and adenitis
  45. Perisylvian syndrome
  46. Perlman syndrome
  47. Persistent adrenarche syndrome
  48. Persistent genital arousal disorder
  49. Persistent Müllerian duct syndrome
  50. Pervasive refusal syndrome
  51. Peters-plus syndrome
  52. Peutz–Jeghers syndrome
  53. Pfeiffer syndrome
  54. Phantom eye syndrome
  55. Phantom limb
  56. Phantom vibration syndrome
  57. Phelan-McDermid Syndrome
  58. Pickwickian syndrome
  59. Pigment dispersion syndrome
  60. Pigmented hairy epidermal nevus syndrome
  61. Pilotto syndrome
  62. Piriformis syndrome
  63. Pitt–Hopkins syndrome
  64. Plica syndrome
  65. Plummer–Vinson syndrome
  66. POEMS syndrome
  67. Poland syndrome
  68. Polar T3 syndrome
  69. Polio-like syndrome
  70. Polycystic ovary syndrome
  71. Popliteal artery entrapment syndrome
  72. Popliteal pterygium syndrome
  73. Porcine stress syndrome
  74. Pork–cat syndrome
  75. Post-micturition convulsion syndrome
  76. Post-nasal drip syndrome
  77. Post-traumatic stress syndrome
  78. Post-acute-withdrawal syndrome
  79. Post-concussion syndrome
  80. Post-Ebola virus syndrome
  81. Post-intensive care syndrome
  82. Post-maturity syndrome
  83. Post-polio syndrome
  84. Post-thrombotic syndrome
  85. Post-vasectomy pain syndrome
  86. Postcardiotomy syndrome
  87. Postcholecystectomy syndrome
  88. Posterior cerebral artery syndrome
  89. Posterior cord syndrome
  90. Posterior rami syndrome
  91. Posterior reversible encephalopathy syndrome
  92. Postgastrectomy syndromes
  93. Postorgasmic illness syndrome
  94. Postperfusion syndrome
  95. Postpericardiotomy syndrome
  96. Postural orthostatic tachycardia syndrome
  97. Potocki–Lupski syndrome
  98. Potocki–Shaffer syndrome
  99. Potter sequence
  100. Prader–Willi syndrome
  101. Pre-excitation syndrome
  102. Precordial catch syndrome
  103. Premenstrual syndrome
  104. Presumed ocular histoplasmosis syndrome
  105. Pretzel syndrome
  106. Primary pigmented nodular adrenocortical disease
  107. Primrose syndrome
  108. Progeroid syndromes
  109. Progressive supranuclear palsy
  110. Prolonged grief disorder
  111. Pronator teres syndrome
  112. Propofol infusion syndrome
  113. Proteus syndrome
  114. Proteus-like syndrome
  115. Prune belly syndrome
  116. Pseudo-Cushing's syndrome
  117. Pseudodementia
  118. Pseudoexfoliation syndrome
  119. Psychoorganic syndrome
  120. Puer aeternus
  121. Pulmonary-renal syndrome
  122. Purple glove syndrome
  123. Purple urine bag syndrome

Q

  1. Qazi–Markouizos syndrome
  2. Quadrilateral space syndrome
  3. Queen bee syndrome

R

  1. Rabbit syndrome
  2. Rabson–Mendenhall syndrome
  3. Radial tunnel syndrome
  4. Rage syndrome
  5. Raghib syndrome
  6. Raine syndrome
  7. Ramos-Arroyo syndrome
  8. Ramsay Hunt syndrome type 1
  9. Ramsay Hunt syndrome type 2
  10. Ramsay Hunt syndrome
  11. RAPADILINO syndrome
  12. Rape trauma syndrome
  13. Rapp–Hodgkin syndrome
  14. Rapunzel syndrome
  15. Rasmussen syndrome
  16. RASopathy
  17. Raymond Céstan syndrome
  18. Raynaud syndrome
  19. Red ear syndrome
  20. Red man syndrome (Drug eruption)
  21. Refeeding syndrome
  22. Reactive arthritis
  23. Renal dysplasia-limb defects syndrome
  24. Renfield syndrome
  25. Renpenning's syndrome
  26. Restless legs syndrome
  27. Restrictive dermopathy
  28. Retinoic acid syndrome
  29. Retirement syndrome
  30. Rett syndrome
  31. Reversible cerebral vasoconstriction syndrome
  32. Revesz syndrome
  33. Reye syndrome
  34. Reynolds syndrome
  35. Reynolds' pentad
  36. Rh deficiency syndrome
  37. Riddoch syndrome
  38. Right middle lobe syndrome
  39. Riley-Day Syndrome
  40. Riley–Day syndrome
  41. Ring chromosome 14 syndrome
  42. Ring chromosome 20 syndrome
  43. Roberts syndrome
  44. Robinow syndrome
  45. Rochon-Duvigneaud's syndrome
  46. Roemheld syndrome
  47. ROHHAD
  48. Romano–Ward syndrome
  49. Rombo syndrome
  50. Rosenthal syndrome
  51. Rosenthal–Kloepfer syndrome
  52. Ross' syndrome
  53. Rosselli–Gulienetti syndrome
  54. Rothmund–Thomson syndrome
  55. Rotor syndrome
  56. Roussy–Lévy syndrome
  57. Rubinstein–Taybi syndrome
  58. Rud syndrome
  59. Rudiger syndrome
  60. Rumination syndrome
  61. Runting-stunting syndrome in broilers
  62. Ruzicka Goerz Anton syndrome

S

  1. Saal Bulas syndrome
  2. Saal Greenstein syndrome
  3. Sabinas brittle hair syndrome
  4. Sack–Barabas syndrome
  5. SACRAL syndrome
  6. Saethre–Chotzen syndrome
  7. SAHA syndrome
  8. Sakati–Nyhan–Tisdale syndrome
  9. Salt water aspiration syndrome
  10. Sandifer syndrome
  11. Sanfilippo syndrome
  12. Sanjad-Sakati syndrome
  13. SAPHO syndrome
  14. Satoyoshi syndrome
  15. Savant syndrome
  16. Say syndrome
  17. Say–Meyer syndrome
  18. Scalp–ear–nipple syndrome
  19. SCARF syndrome
  20. Scheie syndrome
  21. Schimmelpenning syndrome
  22. Schinzel–Giedion syndrome
  23. Schmitt Gillenwater Kelly syndrome
  24. Schnitzler syndrome
  25. Schwartz–Jampel syndrome
  26. Schöpf–Schulz–Passarge syndrome
  27. Scimitar syndrome
  28. Scott syndrome
  29. Seaver Cassidy syndrome
  30. Seckel syndrome
  31. Second-impact syndrome
  32. Secretan's syndrome
  33. Seed dispersal syndrome
  34. Senior–Løken syndrome
  35. Sensenbrenner syndrome
  36. Septo-optic dysplasia
  37. Serkal syndrome
  38. Serotonin syndrome
  39. Serpentine fibula-polycystic kidney syndrome
  40. Sertoli cell-only syndrome
  41. Serum sickness–like reaction
  42. Setleis syndrome
  43. Severe acute respiratory syndrome
  44. Shaken baby syndrome
  45. Shapiro syndrome
  46. Sheehan's syndrome
  47. Shell nail syndrome
  48. Shone's syndrome
  49. Short anagen syndrome
  50. Short bowel syndrome
  51. Short man syndrome
  52. Short QT syndrome
  53. Short rib – polydactyly syndrome
  54. SHORT syndrome
  55. Shwachman–Diamond syndrome
  56. Shy-Drager syndrome
  57. Sick building syndrome
  58. Sick sinus syndrome
  59. Silver–Russell syndrome
  60. Simpson–Golabi–Behmel syndrome
  61. Singleton Merten syndrome
  62. Situs ambiguus
  63. Sjögren's syndrome
  64. Sjögren–Larsson syndrome
  65. Skeeter syndrome
  66. Skin fragility syndrome
  67. Sliding uncus syndrome
  68. Sly syndrome
  69. Small intestinal bacterial overgrowth
  70. Small Penis Syndrome
  71. Smith Martin Dodd syndrome
  72. Smith–Fineman–Myers syndrome
  73. Smith–Lemli–Opitz syndrome
  74. Smith–Magenis syndrome
  75. Snapping hip syndrome
  76. Snapping scapula syndrome
  77. Sneddon's syndrome
  78. Solipsism syndrome
  79. somatostatinoma syndrome
  80. Sopite syndrome
  81. Sotos syndrome
  82. Space adaptation syndrome
  83. Spastic ataxia-corneal dystrophy syndrome
  84. Spider lamb syndrome
  85. Splenic flexure syndrome
  86. Split hand syndrome
  87. Spondylo-ocular syndrome
  88. SPRED1
  89. Staphylococcal scalded skin syndrome
  90. STAR syndrome
  91. Stauffer syndrome
  92. Stendhal syndrome
  93. Steroid dementia syndrome
  94. Stevens–Johnson syndrome
  95. Stewart–Treves syndrome
  96. Stickler syndrome
  97. Sticky platelet syndrome
  98. Sticky skin syndrome
  99. Stiff person syndrome
  100. Stiff skin syndrome
  101. Stimmler syndrome
  102. Stockholm syndrome
  103. Straight back syndrome
  104. Stratton Parker syndrome
  105. Streff syndrome
  106. Strømme syndrome
  107. Stuck song syndrome
  108. Student syndrome
  109. Sturge–Weber syndrome
  110. Subclavian steal syndrome
  111. Sudden death syndrome
  112. Sudden infant death syndrome
  113. Sudden wealth syndrome
  114. Sugarman syndrome
  115. Sulfonamide hypersensitivity syndrome
  116. Summer penile syndrome
  117. Sundowning
  118. Superior mesenteric artery syndrome
  119. Superior orbital fissure syndrome
  120. Superior vena cava syndrome
  121. Supernumerary nipples–uropathies–Becker's nevus syndrome
  122. Supernumerary phantom limb
  123. Survivor syndrome
  124. Susac's syndrome
  125. Sweet's syndrome
  126. Swyer–James syndrome
  127. Syndrome of inappropriate antidiuretic hormone secretion
  128. Syndrome of subjective doubles
  129. Syndrome Without A Name
  130. HHH syndrome
  131. Systemic inflammatory response syndrome
  132. Sézary disease

T

  1. TAFRO syndrome
  2. Talk and die syndrome
  3. TAN syndrome
  4. TAR syndrome
  5. Tardive dyskinesia
  6. Tardive psychosis
  7. Tarsal tunnel syndrome
  8. Taura syndrome
  9. Taussig–Bing syndrome
  10. Tea and toast syndrome
  11. TEMPI syndrome
  12. Temple–Baraitser syndrome
  13. Tension myositis syndrome
  14. Terson syndrome
  15. Testicular dysgenesis syndrome
  16. Tetra-amelia syndrome
  17. Tetralogy of Fallot
  18. Teunissen–Cremers syndrome
  19. Thevenard syndrome
  20. Thoracic insufficiency syndrome
  21. Thoracic outlet syndrome
  22. Thrombotic thrombocytopenic purpura
  23. Thymoma with immunodeficiency
  24. Tietz syndrome
  25. Tietze syndrome
  26. Timothy syndrome
  27. TNF receptor associated periodic syndrome
  28. Tolosa–Hunt syndrome
  29. Tonic tensor tympani syndrome
  30. Tooth and nail syndrome
  31. TORCH syndrome
  32. Tourette syndrome
  33. Townes–Brocks syndrome
  34. Toxic anterior segment syndrome
  35. Toxic oil syndrome
  36. Toxic shock syndrome
  37. Tracheobronchomegaly
  38. Transurethral resection of the prostate syndrome
  39. Transverse myelitis
  40. Treacher Collins syndrome
  41. Trench foot
  42. Tricho-hepato-enteric syndrome
  43. Trichothiodystrophy
  44. Tricho–dento–osseous syndrome
  45. Tricho–rhino–phalangeal syndrome
  46. Trigeminal trophic syndrome
  47. Triple X syndrome
  48. Triploid syndrome
  49. Trisomy 8
  50. Tropical splenomegaly syndrome
  51. Trotter's syndrome
  52. Truman Syndrome
  53. Tsukuhara syndrome
  54. Tumor lysis syndrome
  55. Tumor necrosis factor receptor associated periodic syndrome
  56. Turner syndrome
  57. Twiddler's syndrome
  58. Twin Anemia-Polycythemia Sequence
  59. Twin-to-twin transfusion syndrome

U

  1. Ulysses syndrome
  2. Uncombable hair syndrome
  3. Uner Tan syndrome
  4. Upper airway resistance syndrome
  5. Upper motor neuron syndrome
  6. Upshaw–Schulman syndrome
  7. Urban survival syndrome
  8. Urban–Rogers–Meyer syndrome
  9. Urethral syndrome
  10. Urofacial syndrome
  11. Urticarial vasculitis
  12. Usher syndrome
  13. UV-sensitive syndrome

V

  1. VACTERL association
  2. Valentino's syndrome
  3. Van der Woude syndrome
  4. van Gogh syndrome
  5. Van Wyk and Grumbach syndrome
  6. Vanishing bile duct syndrome
  7. Vascular access steal syndrome
  8. Vasoplegic syndrome
  9. Vestibulocerebellar syndrome
  10. Vici syndrome
  11. Villaret’s syndrome
  12. VIP syndrome
  13. VIPoma
  14. Visual looming syndrome
  15. Vitreous touch syndrome
  16. Vogt–Koyanagi–Harada disease
  17. Von Hippel–Lindau disease
  18. Vulvodynia

W

  1. Waardenburg syndrome
  2. WAGR syndrome
  3. Walker–Warburg syndrome
  4. Wallis–Zieff–Goldblatt syndrome
  5. Waltman Walter syndrome
  6. Warkany syndrome 1
  7. Warmblood Fragile Foal Syndrome
  8. Wartenberg's Syndrome
  9. Waterhouse–Friderichsen syndrome
  10. Watson syndrome
  11. Weaver syndrome
  12. Weber's syndrome
  13. Weill–Marchesani syndrome
  14. Weismann-Netter–Stuhl syndrome
  15. Weissenbacher–Zweymüller syndrome
  16. Wellens' syndrome
  17. Wende–Bauckus syndrome
  18. Werner syndrome
  19. Wernicke–Korsakoff syndrome
  20. West syndrome
  21. Westerhof syndrome
  22. Wet lung syndrome in newborn
  23. WHIM syndrome
  24. White dog shaker syndrome
  25. White dot syndromes
  26. White spot syndrome
  27. White-nose syndrome
  28. Wiedemann-Steiner syndrome
  29. Wiedemann–Rautenstrauch syndrome
  30. Wildervanck syndrome
  31. Williams syndrome
  32. Williams–Campbell syndrome
  33. Wilson's temperature syndrome
  34. Wilson–Mikity syndrome
  35. Wilson–Turner syndrome
  36. Winchester syndrome
  37. Winter-over syndrome
  38. Wiskott–Aldrich syndrome
  39. Wissler's syndrome
  40. Withdrawal syndrome
  41. Withering abalone syndrome
  42. Wobbly hedgehog syndrome
  43. Wolcott–Rallison syndrome
  44. Wolff–Parkinson–White syndrome
  45. Wolfram syndrome
  46. Wolf–Hirschhorn syndrome
  47. Woodhouse–Sakati syndrome
  48. Work-related musculoskeletal disorders
  49. Worster-Drought syndrome
  50. Worth syndrome
  51. Wrinkly skin syndrome

X

  1. X-linked lymphoproliferative disease
  2. Xeroderma pigmentosum
  3. Xia-Gibbs Syndrome
  4. XX male syndrome
  5. XXXY syndrome
  6. XXYY syndrome
  7. XY gonadal dysgenesis
  8. XYY syndrome

Y

  1. Yellow nail syndrome
  2. Yemenite deaf-blind hypopigmentation syndrome
  3. Yentl syndrome
  4. Yim–Ebbin syndrome
  5. Young's syndrome
  6. Young–Madders syndrome
  7. Young–Simpson syndrome
  8. Yunis–Varon syndrome
  9. Yunnan sudden death syndrome

Z

  1. Zadik–Barak–Levin syndrome
  2. Zamzam–Sheriff–Phillips syndrome
  3. Zechi-Ceide syndrome
  4. Zellweger syndrome
  5. Zieve's syndrome
  6. Zimmermann–Laband syndrome
  7. Zollinger–Ellison syndrome
  8. Zori–Stalker–Williams syndrome

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