Singulair side effects acneSingulair is a leukotriene (loo-koe-TRY-een) inhibitor. . Oral Acne Medicine. in damages to a former user of its Accutane drug who blamed the acne . . . medication, and they expect to complete their evaluation of the Singulair suicide side effects . safety alert regarding the asthma medication Singulair . Acne Acne, cystic on the back Acne, cystic . As always, we encourage people with personal knowledge about serious side effects from Singulair . Doing this could res... more