I have a 3 year old that was taking Singulair until today after I...

I would not advise this. You should start a nasal irrigation rinse instead. Flonase is a steriod. I wouldn't give it to my kid. Steriods are powerful and who know what kind of side effects you are going to get with it. Have you heard of Neil Med Sinus Rinse? Ask your childs doctor what they thing of this natural way to cleanse.

Get him off them. Read the Allergy and Asthma Cure. I am 43 and was on Singular for 10 years and Flonase for 12 years. They have really messed up my body. Try supplements, herbs and diet - seek a professional. It worked for me.