Medically reviewed by Deeptej Singh, MD Urticaria, or hives, is a common type of rash characterized by the formation of ...

Hives are a type of rash that results from an allergic reaction, insect bite, infection, and more. You can identify hives by pressing down on the bump — if it turns white, it's a hive.

However, in rare cases, skin contact with water can trigger an allergic reaction. The scientific name for this rare condition is aquagenic urticaria. Hives — a type of itchy rash — develop ...

The difference between this and an allergic reaction was exemplified in patients who had both irritant and allergic reactions at the same time (see Fig 3). Additionally, patients that had ...

The condition is most often caused by an allergic reaction or an irritant ... to help clarify what type of rash you have. Most available images of hives show the condition as it appears on very ...

Hives rashes are not contagious, meaning you won’t develop the rash by touching hives on another person. However, some contagious infections can cause hives. Hives, or urticaria, causes welts on ...

Discover the 6 most common causes of mouth rashes in children beyond food allergies, from acidic foods to infections, and ...

Medically reviewed by Corinne Savides Happel, MD A rash around a child's mouth is not usually not due to food allergies. It ...

Chris Brookes-Smith could have died from eating peanuts - but taking part in a clinical trial has changed his life.

But most people aren't allergic to insect stings and may mistake a normal sting reaction for an allergic reaction. By knowing the difference, you can prevent unnecessary worry and visits to the ...

When an allergic reaction happens, epinephrine must be ... and skin reactions (such as a rash or hives). In other cases, allergic reactions can be very serious. Serious allergic reactions, called ...

People are not born allergic to things, but they can be born with a genetic tendency to become allergic to things to which ...