Benadryl is formally called Diphenhydramine
. It is a kind of drug used to relief symptoms such as itchy eyes/nose/throat,rash, watery eyes, cough, runny nose, and sneezing caused by common cold, hay fever and allergy. It can also be used to prevent and treat nausea, vomiting and dizziness caused by motion sickness. What's more,it can be used to help people get relax and fall asleep.
The side effects of benadryl are as follows:
- Dry nose/mouth/throat
- Blurred vision
- Stomach upset