Fungal skin infections Archive

Nail fungal infections affect up to 14% of the adult population. While completely curing these infections is difficult, the right treatments can discourage the problem from spreading and make your nails look better.

Lingering heat waves have brought warnings about recognizing and preventing heat-related illnesses. Heat rash, while not dangerous itself, can signal heat exposure that may lead to more serious conditions. Here's how to avoid and treat it.

A major review found that oral antihistamines had little effect in reducing atopic dermatitis (eczema) symptoms—and that first-generation (sedating) antihistamines may increase cognitive risks. The findings suggest that oral antihistamines should not be used routinely to treat eczema.

Even after using a certain deodorant for years, people can develop allergic contact dermatitis to that product. Individuals who suddenly develop redness, itching, or a rash in their armpits should stop using their deodorant and switch to another product.

Chronic hives can be hard to control when testing does not reveal a cause. Explore possible triggers and treatments that may help bring relief.

Repeated underarm boils can have different causes and may need more than home care. Find out what symptoms matter and how doctors approach treatment.

Discover what dark vertical streaks on fingernails might mean, from benign nail pigmentation to signs of a more serious skin cancer.

Athlete’s foot causes itchy, scaly skin on the feet, and the fungus can sometimes spread to other vulnerable areas of the body too.

A neck rash that stings and itches can have several possible triggers. The timing, recent exposures and other symptoms may help point to the cause.

As of August 2026, sunscreens in the United States will be allowed to use an ingredient called bemotrizinol. It blocks both UVA and UVB rays and it doesn’t appear to be absorbed into the bloodstream, unlike many sunscreen chemicals.