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 ...

Medically reviewed by William Truswell, MD By definition, CSU means someone has hives lasting six weeks or longer.Most people eventually see their symptoms resolve, though sometimes hives can last for ...

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 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 ...

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 ...

Experts emphasize that chronic hives require sustained treatment and management, shifting focus from trigger identification to long-term care.

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 ...

September 29, 2006 —The US Food and Drug Administration (FDA) has approved first-time generic formulations for caffeine citrate 10-mg/mL intravenous injection and 10-mg/mL oral solution for the ...

The reality of living with chronic hives -- which by definition last for 6 weeks or longer and have no apparent specific trigger -- can be very challenging. About half of people with "chronic ...

"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 ...

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