Hives are a type of rash with a distinct appearance and behavior. Hives aren’t generally dangerous and often go away on their own. There are many other types of rashes with a wide variety of causes.

A deep dive into shellfish allergy symptoms, causes and risks. From itchy hives to full-blown anaphylaxis, why seafood ...

Many times, the cause cannot be found. If this happens, your dermatologists may prescribe an antihistamine for your child. When applied to the hives rash, this medication can help relieve the itch. An ...

Circular rashes may be puzzling—and alarming. The instant most individuals catch sight of a circle or ring-shaped area on the ...

Urticaria is the medical term for hives ... who first noticed EIU while playing soccer at the age of 8 years. The rash came back on his arms every practice and limited his ability to exercise.

Other sun allergies include: Solar urticaria (sun hives) Photoallergic sensitivity Xeroderma pigmentosum Sun poisoning is more serious than a typical sun allergy or seasonal sun rash. Getting poisoned ...

cholinergic urticaria (where the hives are triggered by elevated body temperature), in which emotional stress can induce the rash, says Anthony M. Rossi, MD, an assistant attending dermatologist ...

An itchy scalp may be related to your hair-washing schedule, but may stem from various other causes, including skin ...

Several mRNA vaccine trials found a debilitating side effect, and now the Trump administration is cutting funding for more ...

Urticarial vasculitis is an autoimmune condition that causes itchy or painful hives. Some people may also develop inflammation in other organs, such as the kidneys or lungs. Vasculitis is a group ...

Mosquito bites are a normal part of being outdoors, particularly in tropical or monsoon areas. Most are harmless and work ...

The rare condition known as People Allergic To Me, where individuals experience genuine allergic reactions to others, impacting their health and relationships.