Singulair Side Effects: I am 45 years old, just started to take Singulair, seems to be wo http://www.medications.com/effect/view/27095 I am 45 years old, just started to take Singulair, seems to be working OK, but I get a constant dull ringing in my ears...Starts to go away by the time I need to take the dosage again....but comes back an hour later after taking dosage. UGH I am 47 and also have ringing in my ears and it's driving me Tue, 12 Feb 2008 23:41:21 -0500 http://www.medications.com/effect/view/27095?item=4796 UGH I am 47 and also have ringing in my ears and it's driving me nuts. Just went to the ear nose and thoat today and all they do is scare you and tell you they have to run tests to make sure it's not your brain. I believe mine is a sinus infection and he d http://www.medications.com/effect/view/27095?item=4796