Other names for it include allergic contact dermatitis and irritant contact dermatitis. This allergic contact dermatitis is a reaction to a henna tattoo on the arm. Photo Credit (inset ...

It overreacts and sends antibodies to help fight the invader, called an allergen. The result is a red, itchy rash where the substance landed. Your doctor calls this contact dermatitis. There are ...

There are three types of allergies: ingested allergies, contact allergies, and inhaled allergies. An allergic response occurs when your immune system reacts abnormally to a common substance in the ...

If you've been using Zyrtec or Xyzal to combat your allergy symptoms this year, an FDA warning wants you to be aware of this ...

We report the first published clinical case of contact allergic dermatitis from two chemically unrelated local anesthetics (EC and benzocaine) in the same patient.

Spices and herbs were the second most common allergens identified with patch testing and were clinically relevant.

Sunscreen is supposed to help keep your skin safe from harm, but could it actually be irritating your skin? Here’s how to tell and what to do if you have an allergic reaction to sunscreen.