If you’ve ever had allergies or an allergic reaction, you’ve likely turned to Benadryl for relief. Benadryl is an antihistamine that alleviates allergy symptoms including sneezing, runny nose, watery ...

Benadryl can cause certain side effects, some of which are more common than others. These side effects may be temporary, lasting a few days to weeks. However, if the side effects last longer than that ...