When your skin is red, itchy, and irritated, it could be a rash or it might be hives. We spoke with experts to learn how to ...

Learn when rashes signal medical emergencies. Color, location, and symptoms reveal dangerous conditions needing urgent care.

Discover commonly overlooked causes of allergic reactions and rashes, from hidden household allergens to unexpected food ...

As spring continues, veterinarians report a rise in pet allergies, with most cases triggered by environmental factors like ...

Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.

Dog breeds that are especially vulnerable include various types of terriers, boxers and bulldogs; in cats, it’s Persians, ...

It's not always easy to tell the difference between a cold and allergies, including seasonal allergic rhinitis or "hay fever.

UPMC Children’s Community Pediatrics is seeing an increase in cases of viral upper respiratory infections and allergies.

The most commonly known poisonous plants are poison ivy, poison sumac and poison oak. English ivy is often overlooked and is used in landscaping as ground cover, but it can be just as dangerous for ...

Aquagenic urticaria is the medical term for a water allergy. It makes showering painful and leads to skin reactions from ...

Tattoos can cause a spectrum of reactions, from swelling at the injection site to an effect that can spread over the body.

Allergies affect millions of people worldwide and can range from mild irritations to severe, life-threatening reactions.