http://www.medications.com/effect/view/37516 My husband has been taking Singulair for the last two years. It has made a tremendous difference in his frequency of sinusitis in the winter and allergy symptoms during the summer and fall seasons. For at least the last year, he's been having trouble with Fri, 26 Dec 2008 16:51:45 -0500 http://www.medications.com/effect/view/37516?item=15510 sounds like it could be an anxiety attack,hang in there,this med is poison http://www.medications.com/effect/view/37516?item=15510