As with other skin rashes that are primarily erythematous, the DIHS rash is often more subtle in Black-skinned patients, typically appearing gray or violaceous rather than red. "The high amount of ...
If you have what feels like razor bumps or acne on the back of your neck or scalp ... get an itchy rash after being in water, such as an ocean, lake, or pond. Swimmer’s itch is caused by parasites ...