A man went to the emergency room with an itchy rash that covered his back and kept him up at night. He was diagnosed with shiitake dermatitis, a rare condition that looks like red whip marks. The rash ...

While eczema is a common skin condition, it can manifest in many different ways. And with so much possible variation, it's not always easy to properly identify eczema. Eczema symptoms can be mild — a ...

A man’s love of mushrooms left him with bizarre red streaks across his back. In a case study released this week, doctors describe how the unlucky fellow developed a rare skin condition from eating ...

From white blisters to red and scaly patches, psoriasis skin rashes come in several different forms. How do you know if you have psoriasis or a similar-looking skin condition?

The patient was an elderly Caucasian man who came to the clinic with complaints of a red, intensely itchy rash on his elbows (Figure 1), buttocks (Figure 2), and back. His symptoms began with a slight ...

A PUPPP rash is diagnosed by sight; your healthcare provider can tell by looking at the rash that it's PUPPP. To rule out another infection causing the rash, they might order blood tests to be safe.