Medically reviewed by Daniel More, MD Key Takeaways Hives are little bumps caused by an immune system reaction and can be short-term or chronic, and typically resolve on their own.Relief can be found ...

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 ...

(NEXSTAR) – Measles, one of the most contagious viruses in the world, is often recognized by the rash it gives patients who are infected. However, those spots and bumps usually don’t appear for more ...

Viral skin rashes (also known as viral exanthems) can cause itching, irritation, and pain — and possibly symptoms like fever or fatigue. Unlike allergic rashes, which happen when your immune system ...

Having a circular rash can spark fears that you’ve picked up ringworm. After all, the fungal infection is notorious for causing a ring-shaped rash. But there are a lot of other circular rashes that ...

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 ...

Just thinking about poison ivy can make you itch. Blistering rashes on your arms and ankles, oozing bumps between your fingers and eyelid-swelling exposures are all-too-familiar summer hazards. Poison ...