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 ...

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 ...

In a healthy body, mast cells (the “lookout” cells of the immune system) only release histamine when they detect a foreign ...

Pictures of hives, also known as urticaria, can help you to identify these raised, red, itchy bumps or welts. Causes include stress, infections, food or latex allergies, medications, and environmental ...

Add Yahoo as a preferred source to see more of our stories on Google. When a blotchy red rash pops up on your skin, it's not easy to know exactly what the cause is. With thousands of skin diseases to ...

If you've ever self-diagnosed your inflamed, itchy scalp with eczema just to have your dermatologist tell you it's actually psoriasis, you're not alone. The two conditions are extremely similar in ...

Picture this: You’re going about your day, when all of a sudden you spot a red, splotchy rash on your skin. You’re likely Googling pictures of skin rashes to help identify and self-diagnose the exact ...

When a blotchy red rash pops up on your skin, it's not easy to know exactly what the cause is. With thousands of skin diseases to choose from, deciphering your skin can be a challenge. But with skin ...