In a healthy body, mast cells (the “lookout” cells of the immune system) only release histamine when they detect a foreign ...

If you notice red, itchy welts suddenly popping up on your skin, you may start to panic. Are you having an allergic reaction? Did you catch something contagious? But your mystery rash may have a much ...

Hives, or urticaria, are a common skin rash that appears as raised, itchy welts. Sometimes, hives resolve quickly on their own, but if they persist, over-the-counter medications often help. Hives ...

If you’ve developed a rash that’s hot, swollen, bumpy, or itchy, it’s possible you have hives. Finding hives on your skin can be unsettling, and usually you can’t be sure where they came from. No ...

Hives are little bumps caused by an immune system reaction and can be short-term or chronic, and typically resolve on their own. Relief can be found from medications, anti-itch products, and at-home ...

The postpartum period is a time for recovery and healing. When you are busy juggling healing, establishing breastfeeding, and ...

New data challenge common beliefs about antihistamines, corticosteroids, and vaccines in chronic urticaria, with practical ...

A panel of experts discuss the clinical trials of dupilumab, the resultant data, and the response of the FDA when approval was requested. Dupilumab has been evaluated in phase 3 clinical trials in ...

For most people, cold weather is an inconvenience, requiring an extra layer of clothing or the thermostat to be turned up.

Cold urticaria is a rare but potentially serious condition in which contact with cold weather causes the immune system to ...

"Medical Journeys" is a set of clinical resources reviewed by physicians, meant for the medical team as well as the patients they serve. Each episode of this journey through a disease state contains ...

With chronic urticaria on the rise, the CURE study calls for greater awareness on guideline-recommended classification, diagnostic workup, and treatment.