Singulair Side Effects: My name is Candyce Donovan and I am a healthy 38 year old ---heal http://www.medications.com/effect/view/29257 My name is Candyce Donovan and I am a healthy 38 year old ---healthy except for an occasional cold or sinus infection. A few years ago I was put on the drug Singulair to help cure an allergy type infection. I was only on it for a few weeks and discontinue My son had two seizures last year, out of the blue. He was 15 at Sun, 11 May 2008 17:27:29 -0400 http://www.medications.com/effect/view/29257?item=8169 My son had two seizures last year, out of the blue. He was 15 at the time. He was on Singulair and Minocycline as well as an SSRI. I blamed the Minocycline but he is off both now. Are you aware of any other reports of seizures with Singulair http://www.medications.com/effect/view/29257?item=8169