Constantly scratching and picking at an itchy rash really does make it worse. But why? According to newly released research ...

Medically reviewed by Brendan Camp, MD Polymorphic light eruption (PMLE), commonly known as a sun rash or sun poisoning, is a ...

Scratching an itchy rash really does make it worse. Now we know why, thanks to new research published today in the journal ...

Scratching is often pleasurable, which suggests that, in order to have evolved, this behavior must provide some kind of ...

Symptoms usually start minutes after coming into contact with something you're allergic to ... chemicals under the skin, causing swelling. The main symptom is an itchy rash, which can: be raised ...

New research published in the journal Science uncovers how scratching aggravates inflammation and swelling in a mouse model ...

The researchers also demonstrated that scratching prompts pain-sensing neurons to release a chemical known as substance P, ...

Many formulas contain cow's milk protein, one of the most common food allergies in babies. Learn more about this allergy and ...

Research suggests that introducing kids to food allergens early in life can help—but that the same might not be true for other types of allergies. Here's what to know.

What Is an HIV Rash? An HIV rash is irritated skin that affects ... Because these symptoms can look and feel like other common conditions (such as the flu or an allergic reaction) and go away ...

They will then wait 15 to 20 minutes to see if a rash or welt appears ... than IgE antibodies. These allergies typically take longer to present with symptoms, so skin testing does not help ...