Q: MY father, 90, has a rash covering his body that is extremely itchy, and breaks through the skin to crust over. He says they produce a white fluid and he’s had it for several years now.

Heat rashes are only one cause of itchy bumps (no matter what you think the cause may be, itching that affects your daily life should always be addressed by a GP).

Itching and Discomfort A heat rash can cause mild irritation or stinging sensation but a fungal rash can cause intense, persistent itching.

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

Poison ivy, oak and sumac all can create itchy rashes from urushiol. What you need to know before the rash starts.

While cicadas are harmless, the pests that are drawn to them can bite and cause a rash. What to know about the oak leaf itch mite.

A rash and swollen lymph nodes are signs of an infection or immune response. Discover the potential causes, view photos, and learn about treatments.

Unexplained itching with no visible rash is more common than you think. Learn how your brain and nerves play a role in the itch you can’t see.

Armpit rashes can be caused by allergies, irritation, infections, or skin conditions. Learn about symptoms, causes, treatments, and prevention tips.

Scientists have now shown why it may not be a good idea to scratch an itchy rash, even though it feels good. This research used a mouse model of a kind of eczema known as allergic contact dermatitis, ...

If you love to scratch an itchy rash, good news! A new study reveals scratching a rash has upsides — along with the downsides your mom warned you about.

A stomach rash due to pityriasis rosea is not commonly itchy. Learn more about pityriasis rosea rashes here.