Dermatology A-Z Results

Hair loss

Learn about the many causes of hair loss and what dermatologists can do to treat hair loss.

Head lice

Information to help you diagnose and treat head lice at home.

Herpes simplex

Cold sores and genital herpes are both caused by herpes simplex viruses.

Hidradenitis suppurativa

Breakouts that look like pimples, boils, or folliculitis could actually be hidradenitis suppurativa, a skin disease that treatment can prevent from worsening.


These raised, itchy bumps on the skin are your body's response to an allergic reaction.


This condition causes excessive sweating that can interfere with everyday life; dermatologists offer many safe and effective treatments.