is a condition in which the skin experiences adverse reactions to sun exposure. It typically shows up as an itchy, red rash, but a sun allergy can also cause pain, raised patches of skin ...

In severe cases the rash may cause blistering and hives. What is it? This is another allergic reaction caused when a chemical reacts with the sun in a way that causes an allergen - and therefore ...

Polymorphous light eruption (PMLE): This is one of the most common sun allergies, causing red, itchy rashes after sun ...

With sunny summer weather can come new — or returning — skin rashes, including heat rash and sunburn. At the more severe end, you might even develop sun poisoning. While these skin reaction ...

The American College of Rheumatology (ACR) loosely defines photosensitivity as "a skin rash as a result of unusual reaction ... many patients also experience more generalized skin or systemic ...

Hives are a type of rash that results from an allergic reaction, insect bite, infection, and more. You can identify hives by pressing down on the bump — if it turns white, it's a hive.