Allergies are common and can be triggered by anything from certain foods and chemicals to dust or pet dander. While some people discover their allergies only after an unexpected reaction, deliberately ...

Q: I’ve been told I may need to have an allergy skin test to determine what I’m allergic to. Are these safe? A: During allergy skin testing, your skin is exposed to suspected allergy-causing ...

Patch testing describes a procedure to help identify what ingredients might irritate a person’s skin. Many skin care products contain chemicals that can cause an allergic reaction when a person ...