Medically reviewed by Katlein Franca, MD Doctors use a process of elimination to diagnose chronic hives, rather than a single test.The diagnostic process involves determining how long the hives have ...

In a healthy body, mast cells (the “lookout” cells of the immune system) only release histamine when they detect a foreign invader, like pollen or venom. In CSU, these cells dump histamine into the ...

Add Yahoo as a preferred source to see more of our stories on Google. scratching neck eczema Hot and cold temperatures can trigger hives. Bed bugs, bees, and other biting and stinging insects can ...

Add Yahoo as a preferred source to see more of our stories on Google. Hives are a term used to describe a medical condition known as urticaria, a skin disorder that occurs when the body’s immune ...

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. You should see ...

Doctors call it "urticaria," but everyone else calls it "hives." We're talking about the incredibly itchy, swollen rash that can suddenly show up on skin, without warning, only to disappear and show ...

Both bug bites and hives can cause red, itchy bumps on your skin. While it can be difficult to tell them apart, learning key features and characteristics of each can help. Hives and bug bites are ...

If you're being treated for hives, your physician will want to hear what you think about your treatment. Is it working? Are your symptoms improving, staying the same, or getting worse? You may be ...