Hives, also called urticaria, are a raised, itchy area of skin. Learn the types, causes, symptoms, diagnosis, treatment, and complications of hives, as well as see pictures of them.
When you get an infection, many people can have hives to the germ that is causing it. But when the doctor gives you an antibiotic and you break out in a rash, you may be reacting to the germ and not to the medication. Studies show that 90% of patients who say they are allergic to...
What Is a Stress Rash—And Can Stress Cause Hives? "A stress rash is any skin flare-up that stress can trigger,"Debra Jaliman, MD, a New York-based dermatologist, said toHealth. "If you're under a lot of stress, you can gethives, for example, or you could get an exacerbation of...
Hives affect the superficial layers of the skin with itchy welts that have a rash-like appearance and somewhat clear borders. Angioedema involves deeper layers of skin and presents as localized tissue swelling. Angioedema is rarely itchy but can burn and feel uncomfortable, which is also sometimes...
Hives or urticarias are red, itchy skin rashes triggered by food, medicine, or other irritants. They can vary from a few millimeters to several centimeters in diameters.
(RA) can cause a rash, hives, or other skin problems like firm lumps called rheumatoid nodules. The severity of skin involvement indicates how severe the disease is. In addition, the medications that treat RA may also affect the skin. ...