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 ...

Medically reviewed by Casey Gallagher, MD CSU is a skin condition that causes hives and swelling lasting six weeks or more.The cause of the condition is often unknown, but in the majority of cases ...

Solar urticaria is a rare allergic reaction to sun exposure. The condition causes an itchy rash or hives that appear on any skin that has been exposed to the sun. The more skin that is exposed to ...

Hives can occur anywhere on the body. However, exposed skin, such as arms and legs, may be more susceptible to external hives triggers such as allergens, heat, and pressure changes. Other common ...

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 ...

Skin reactions can be alarming, especially when they appear suddenly. Many people struggle to tell the difference between hives and a rash, but knowing the cause is the first step toward relief. Black ...

Hives usually aren’t a sign of a serious medical condition. But their sudden appearance may merit a trip to urgent care or the emergency room if they show up along with other symptoms. Hives are itchy ...

Aquagenic urticaria is an extremely rare type of hives (raised, itchy rash) triggered by contact with water. Some people call aquagenic urticaria "water allergy." Urticaria is the medical term for ...

Monday, ARS Pharmaceuticals Inc (NASDAQ:SPRY) released efficacy results in its phase 2 inpatient chronic spontaneous urticaria study with neffy (epinephrine nasal spray), an investigational new drug.

Hives (urticaria) may appear as pink-red bumps, or patches on your skin, and are very itchy. They are often signs of an allergic reaction but can also be idiopathic, meaning the cause is unknown.

Many of us are familiar with allergies that cause sneezing and a tickle in the back of the throat. You might reach for an over-the-counter medication or wait for allergy season to subside. But what ...

A common symptom of Lyme disease is a bullseye-shaped rash. However, many other conditions may cause a similar rash, including ringworm, fixed drug reactions, and allergic reactions to insect bites.