Dr. Emma J Murad M.D.

Carbuncle refers to a cluster of boils under the skin caused by the infection of hair follicles. The infected hair follicles form a small group of painful, reddish bumps on the skin which later get filled with pus. Carbuncles often form in hairy areas like the back and may also form in areas like...

Sweat glands cause perspiration whenever there is an increase in temperature, fever, or when you are involved in physical activity. Perspiration is also seen when one is nervous, anxious, or under stress. When none of these factors are present, the signals for the production of sweating are normally...

What are cold sores?Cold sores are due to a virus called the herpes simplex virus. This condition is usually passed on through direct contact with an individual who is shedding the virus. The sores can be too small that a person will not be able to know if he/she has the illness. The virus can be...

What are the Signs and Symptoms of Heat Rash?Heat rash is a condition that affects the skin when it is exposed to high temperatures, and sweat gets trapped beneath the layers of the skin. Victims of this condition usually experience general symptoms such as:...

Melanoma is a type of skin cancer associated with excess exposure to UV rays and tanning booths. Melanoma originates from certain cells in the skin called melanocytes, which contains the pigment melanin that influences skin color. If left untreated, melanoma spreads quickly and leads to death....

Eczema refers to the chronic condition caused by the inflammation of the skin. There are different types of eczema, and the most common type of eczema is atopic dermatitis. This condition is characterized by red, dry itchy skin, which often becomes cracked and can be found in different parts of the...