Benadryl (generic name: diphenhydramine; brand names include: Dimedrol, Genahist, Sominex, Unisom) belongs to a group of medicines known as antihistamines.

Benadryl is used to relieve allergy symptoms due to hay fever or other upper respiratory allergies (rash, sneezing, runny nose, itchy eyes, nose and throat) and symptoms due to the common cold (runny nose, sneezing).

Benadryl may also be used as a relaxation aid and used to prevent and treat nausea, vomiting and dizziness caused by motion sickness.

Antihistamine medications such as Benadryl are being studied for the treatment of long COVID.

Recommendations

Follow the directions for using this medicine provided by your doctor. Use your medicine exactly as directed.

Precautions

Tell your doctor before taking Benadryl, if:

you are allergic to any medicines;
you have any serious medical conditions;
you are pregnant or breast-feeding.

Ingredients

Active ingredient: diphenhydramine hydrochloride.