http://www.medications.com/effect/view/25187 Hi, I had a systemic allergic reaction to an allergy injection. I was treated at the hospital with Benadryl and Prednisone. I was told to continue to take both, but still was having problems with sinus inflammation related to the reaction a day later. Sat, 24 Nov 2007 07:15:09 +0000 http://www.medications.com/effect/view/25187?item=3063 My 15 year old who took his life after being on singulair for 17 days had a very adverse reaction he had hot flashes and leg pain ,anxiety ,depression,then morbid thoughts.We are advising people to contact the FDA because as you said this did not even cl http://www.medications.com/effect/view/25187?item=3063