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What is baldness?
What are the types of baldness?
What are the causes of baldness?
How is the cause of hair loss diagnosed?
What are the treatment options in case of baldness?
 
Sat,27 Mar 2004 05:30:00 +0530
Written by : DoctorNDTV Team
Checked by :
 
  • What is baldness?
    What is baldness?
    Sat,27 Mar 2004 05:30:00
    There are on an average 100,000 to 150,000 hairs on the human scalp. Hairs grow from follicles that are sac like structures under the skin. At any time 90% of the hair are in the growth phase, which lasts an average of 4 to 5 years, after which it enters the resting phase, which lasts for 2 to 4 months. At the end of the resting phase, the hair falls out naturally and is replaced by a new hair. Some hair loss, 50 to 150 per day, is normal.

    Baldness or alopecia results when hair loss occurs at an abnormally high rate, replacement occurs at an abnormally slow rate or when normal hairs are replaced by thinner, shorter ones.
  • What are the types of baldness?
    What are the types of baldness?
    Sat,27 Mar 2004 05:30:00
    1. Androgenic alopecia also known as male pattern baldness is the most common type of hair loss. It occurs more frequently in men than in women. It is a permanent type of hair loss and occurs in a characteristic pattern on the scalp. The hair loss begins at the temples and at the top of the head towards the back, causing a receding hairline and a bald spot. Balding may begin at any age after puberty and can range from partial loss to complete baldness. Hormonal imbalance, mainly testosterone, and genetic factors are responsible for this type of hair loss.
    2. Alopecia areata leads to patchy hair loss on the scalp. The exact cause is not known, but it is thought to be the result of the body’s immune system attacking the hair follicles.
    3. Traction alopecia is caused due to long-term pulling on the hair. This is caused by certain hairstyles, such as tight braids. The hair loss is usually reversible once the cause of the pulling is eliminated.
  • What are the causes of baldness?
    What are the causes of baldness?
    Sat,27 Mar 2004 05:30:00
  • Heredity and aging.
  • Hormonal changes.
  • A serious illness or fever.
  • Medication such as cancer chemotherapy or too much Vitamin A.
  • Emotional or physical stress.
  • A self-induced reduction of hair by pulling it out (traction alopecia).
  • Poor nutrition.
  • Disease.
  • Childbirth.
  • Scalp Infection.
  • Hair Treatments and use of chemicals.
  • How is the cause of hair loss diagnosed?
    How is the cause of hair loss diagnosed?
    Sat,27 Mar 2004 05:30:00
    The doctor first asks if there is a family history of baldness. He may also examine a few hairs under a microscope or check the scalp for signs of skin damage. Other questions related to the person’s diet, hair-care procedures, medications taken and recent illness, if any, may be asked. In some cases the doctor may order blood tests or a skin biopsy to help make a diagnosis.
  • What are the treatment options in case of baldness?
    What are the treatment options in case of baldness?
    Sat,27 Mar 2004 05:30:00
    1. Hair transplantation

      This involves the transplantation of hair follicles from areas of the scalp where hair is still growing to areas where it is not. This carries a low risk for skin infections and may cause minor scarring in the donor areas.

    2. Local application of drugs

      A drug called minoxidil, when applied to thinning areas of the scalp daily, is believed to be effective in preventing further hair loss and in growing new hair. The drug helps in dilating the blood vessels, thereby affecting the blood supply and the supply of hormones to those areas of the scalp that are losing hair.

      Another drug called finasteride taken in a pill form daily, helps in preventing further hair loss in most cases and growing new hair in some cases.

      The use of such drugs may help to reduce hair fall but it is generally seen that when the application is stopped, regrown hair fall out. Side effects such as irritation of the scalp are also quite common. Corticosteroids: Injections of cortisone into the scalp can treat alopecia areata. Treatment is usually repeated monthly. Doctors sometimes prescribe corticosteroid pills for extensive hair loss due to alopecia areata.

    3. Cosmetic treatments

      Synthetic hair: A hairpiece can be custom made to cover a balding area. It is important not to neglect the scalp under the hairpiece, which should continue to be washed regularly. Another option is a weave, in which synthetic hair is sewn into existing hair.

      Hair products: Hair-care products that claim to thicken and straighten hair should be used with caution because most of the time they simply create an illusion of thickening, by building a layer of wax or oil.
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