Tinea manuum can cause a red rash with circles, red patches on the back of your hand, and dry scaly skin on the palms of your hands. On darker skin, those patches can look brown or gray.
At this point, if there’s a rash, it will likely spread along the chest, back, arms, and legs, and the red cheeks will fade. The body rash won’t look as red (or dark on dark skin) as it did on ...
A man developed a rash that looked like his entire back was covered with swollen whip-like marks two days after eating shiitake mushrooms. It turned out to be a rare condition known as shiitake ...