Amber breaks out in hives if the temperature goes below 12C (53F) and wishes for a "normal life".

Cold weather may bring more than just a chill—some people experience allergic reactions triggered by exposure to cold ...

A 16-year-old girl said she is "always scared" of having an allergic reaction after being diagnosed with a rare condition ...

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 ...

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

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 ...

Doctors are warning about cold urticaria, a painful cold allergy that causes itchy red rashes, swelling, and hives when skin ...

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 ...

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.

Patricia A. MacCulloch does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

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 ...

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.