Alopecia areata is a condition that causes hair loss on the scalp and sometimes other parts of the body. It is believed to be caused by an abnormality of the immune system that causes the body's immune system to attack the hair follicles. Typically, hair regrows within a year without treatment. Steroid injections, creams, and shampoos may be used during treatment. Read more: Alopecia Areata Article
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Your Face: A Window Into Your Health
What medical problems appear on your face? Look into the mirror and find out. Jaundice, glaucoma, skin cancer, and cracked lips...
Skin Quiz: Acne, Dry Skin, Dandruff & More
What's that all over you? Skin, of course! Test your knowledge of your most amazing organ with the Skin Quiz!
Hair Loss Quiz: Test Your Medical IQ
True or false: Genetic hair loss comes from the mother's side of the family. Take the Hair Loss Quiz to learn about your hair....
Picture of Alopecia Areata
A common hair loss condition, alopecia areata, usually starts as a single quarter-sized circle of perfectly smooth baldness. See...
Picture of Traction Alopecia
Tight braids and ponytails can pull hard enough on hairs to make them fall out. See a picture of Traction Alopecia and learn more...
Picture of Hair Transplant
Surgical approaches include various versions of hair transplantation (taking hair from the back and putting it near the front) or...
Picture of Hair Grafts
1–4 hair grafts. See a picture of Hair Grafts and learn more about the health topic.
Picture of Trachyonychia
Trachyonychia (twenty nail dystrophy of childhood). See a picture of Trachyonychia and learn more about the health topic.
Picture of Alopecia Areata (Nails)
Pitting in organized transverse rows giving the nail a "hammered brass" appearance. See a picture of Alopecia Areata (Nails) and...
Picture of Alopecia Areata
Alopecia areata is a type of hair loss that occurs when your immune system mistakenly attacks hair follicles, which is where hair...
Picture of Female Pattern Baldness
Mistakenly thought to be a strictly male disease, women make up a significant percentage of American hair loss sufferers. See a...
Women’s Hair Loss: Causes, Treatments, and Solutions
Hair loss in women has many causes. Menopause is one cause of hair loss in women over 50. Hormones, medications, and stress are...
Hair Loss: Causes, Treatments, and Prevention
Learn about hair loss in women and men. Discover hair loss causes and treatments as well as how to prevent hair loss.
Related Disease Conditions
Vitiligo is a condition in which the skin turns white due to the loss of pigment from the melanocytes, cells that produce the pigment melanin that gives the skin color.
Hair Loss (Alopecia)
There are many causes of scalp hair loss. This featured article covers the common ones such as patchy hair loss (alopecia areata, trichotillomania, and tinea capitis), telogen effluvium, and androgenetic alopecia (male-pattern baldness, female-pattern baldness).
Leprosy (Hansen's disease) is a disfiguring disease caused by infection with Mycobacterium leprae bacteria. The disease is spread from person to person through nasal secretions or droplets. Symptoms and signs of leprosy include numbness, loss of temperature sensation, painless ulcers, eye damage, loss of digits, and facial disfigurement. Leprosy is treated with antibiotics and the dosage and length of time of administration depends upon which form of leprosy the patient has.
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