If you already have HIV, you may have a weakened immune system, which makes you and your skin more vulnerable to infections from bacteria, viruses, and parasites, which can cause an HIV rash.

Ringworm has a long incubation period. The red rash can actually take a few days to appear on your skin. If you have ringworm of the scalp, you may not see any signs for a full two weeks after ...

Why You Might Be Irritated and Itchy After Swimming and What to Do About It An ocean rash is not uncommon after swimming, surfing, or diving in open water. Parasites that cause swimmer's itch are ...

The gross-out factor is strong. Among the museum's selection of parasites is an 8.8-meter-long tapeworm recovered intact from a hapless diner’s intestine. Toshiaki Kuramochi, the museum director ...