New York Post: I got a rash on vacation — it was a parasite playground in my leg What’s worse than finding a worm in your apple? How about a whole nest of them in your leg? A Colombian woman was left horrified after discovering that her innocuous-seeming rash was actually a bunch ...

Understanding the Context

I got a rash on vacation — it was a parasite playground in my leg This skin condition causes a rash is thick and scaly and usually appears on the knees, back, elbows, genitals, and scalp. It is permanent and can be passed down from your parents. The cause of a rash may be difficult to identify on your own because rashes may present as splotches, bumps, or blisters. They can be itchy, scaly, and red, and some may look different on ...

Key Insights

Allergens usually cause a shiny, blistered, itchy rash, while irritants tend to cause a dry, scaly, less itchy rash. It can appear hours to days after exposure. A rash is an area of skin that is irritated, inflamed or swollen. Rashes can occur due to various causes. Discover 36 common skin rashes.

Final Thoughts

Learn more about when to worry about a rash in adults and whether immediate medical care is necessary. Reviewed by a board-certified dermatologist.