Q: Whenever I exercise for 20 minutes or more, I get itchy all over my body. Round bumps start swelling up all over my body. As I cool down, the bumps start going away, but then I get weak, dizzy and ...

Researchers are recruiting adults (≥18 years old) who suffer from cold urticaria, symptomatic dermographism, pressure hives, solar hives, heat hives, vibratory angioedema, exercise hives, contact ...

Dear Dr. Gott: I am begging for help, please. I am 73 years old and have lost 120 pounds on Weight Watchers. My problem is that when I walk, take a bath, get excited, angry or upset, I break out in ...

You feel like someone is stabbing a knife into your ribs. Experts don’t know exactly what causes those sharp, fleeting pains called side stitches, but many believe they’re due to diaphragm spasms ...

When your body has an allergic reaction, it releases chemicals that can make your skin swell, causing those itchy, red bumps on your skin that's characteristic of hives. While certain foods and ...

Hot and cold temperatures can trigger hives. Bed bugs, bees, and other biting and stinging insects can cause welts to appear on your skin. Most reactions will disappear within 24 hours, but chronic ...

It's easy to understand how someone who gets hives for the first time could confuse the sudden appearance of raised, red, or skin-colored bumps with bug bites or other skin conditions, such as eczema.

Rashes cause changes in skin color or texture. Hives are a type of rash that involves raised itchy bumps. Not all rashes cause hives to develop. Many people think that hives and rashes are the same, ...