Can Benadryl Help With Anaphylaxis?

Can Benadryl Help With Anaphylaxis? Can Benadryl help with anaphylaxis? An antihistamine pill, such as diphenhydramine (Benadryl), isn’t enough to treat anaphylaxis. These medications can help relieve allergy symptoms, but they work too slowly in a severe reaction. How much Benadryl do you take for anaphylaxis? Diphenhydramine — For adults and children ≥12 years of