The following season, in 2017–18, Al Douaihy was made part of Salam's first team in the Lebanese Premier League as the third-choice goalkeeper.[3] He made his debut in the 2018–19 season, coming on as a substitute to replace an injured Mostafa Matar in a 5–2 defeat to Ansar.[3] Al Douaihy became a starter for Salam Zgharta during the 2022–23 season, in which he played 19 games.[1]
Following the end of the season, in which Salam finished 11th and were relegated,[5] Al Douaihy was loaned out to Bourj to participate in the 2023 Arab Club Champions Cup in April. He played against Emirati club Al Wahda in the second leg of the first qualifying round in which, despite the 1–0 defeat, he was praised for his performance.[6]