Discover common skin care ingredients that can cause allergic reactions and learn how to identify them in your products. Chronic idiopathic urticaria, also known as chronic hives or chronic ...

Enter food therapy—a gentle, empowering approach that harnesses the power of everyday edibles to address root causes like ...

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 ...

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 ...

This informational guide, part of PS's Condition Center, lays out the realities of this health concern: what it is, what it can look like, and strategies that medical experts say are proven to help.

In September 2025, the US Food and Drug Administration (FDA) approved Rhapsido ® (remibrutinib), an oral small molecule kinase inhibitor, for the treatment of chronic spontaneous urticaria (CSU) in ...

"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 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 ...

Insomnia and other common sleep impacts in CSU improve with biologic medication ...

Mpox is an infectious viral condition, whereas hives are a symptom of high histamine production or allergic reaction. Both conditions can cause bumps on your skin, but they differ in size, duration, ...