What forms of Benadryl (diphenhydramine) should I keep on hand?

Jill A. Grimes, MD
Family Medicine

Keep Benadryl (diphenhydramine) in both the liquid and tablet form. The liquid comes in handy if someone (young or old) can't swallow pills and needs immediate antihistamine for what may be a serious allergic reaction -- to a bee sting or food or even medication.

You do not need to keep the topical Benadryl preparations around for itchy rashes. Topical steroids (hydrocortisone) are more effective for itchy rashes.

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