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 ...

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

Different kinds of skin rashes include eczema, chickenpox, psoriasis, and shingles. Treatment depends on what's causing your rash, but it may involve medications or lifestyle changes. It's best to get ...

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 ...

Casey Gallagher, MD, is a dermatologist and clinical professor in the Department of Dermatology at the University of Colorado Denver. Atopic dermatitis, the most common form of eczema, can lead to dry ...

Vishal A. Patel, MD, explains that delayed skin cancer diagnoses contribute to more advanced disease and poorer outcomes in ...