The Food and Drug Administration on Wednesday warned consumers about swallowing Benadryl Extra Strength Itch Stopping Gel, a product meant to be applied to the skin.

A. The makers of Extra Strength Benadryl Itch-Stopping Gel list camphor as an “inactive” ingredient. The active ingredient is the topical antihistamine diphenhydramine.

Ammonium lactate is an effective topical solution for treating mosquito bites. While ammonium can have an off-putting smell to it, it works better than topical Benadryl or topical steroid creams.

Ammonium lactate is an effective topical solution for treating mosquito bites. While ammonium can have an off-putting smell to it, it works better than topical Benadryl or topical steroid creams.

Most people aren’t allergic to wasp or bee stings but may still develop pain, itching or swelling at the site. Benadryl, either in topical or oral form, can help reduce those symptoms.