Hair loss is something which everyone has to cope with some time or the other in the course of a lifetime. At an average about 100 hairs per day can be lost but this figure varies depending on the thickness of hair. Therefore, what may be normal hair loss for one person can be excessive for another.
The different types of hair loss are described below:
This is believed to be an auto-immune disease of the hair; it first appears as one-inch rounded bare patches. This condition is common to men and women alike and often first occurs in childhood. With this condition, hair restoring is very rare. Alopecia Areata is divided into three categories based on severity:
This type of hair loss has two categories namely male pattern baldness and female pattern baldness. It is the major form of hair loss. In women, it is characterized by thinning of the scalp hair but in men, the process begins with a receding hairline but ends up with a totally bald scalp.
This type of hair loss is also known as Cancer Treatment Hair Loss as it occurs as a side effect of drugs used for treating cancer using chemotherapy or radiation treatment. It occurs suddenly and can happen within 1 to 3 weeks. Although known to be caused by cancer treatment, it is also caused by toxic substances like arsenic and thallium.
There are two types of self-induced hair loss:
This hair loss is caused by stress-related trauma such child birth, termination of pregnancy, stopping or starting birth control medication, dieting drugs, or severe emotional stress.
This is the type of hair loss which results in the inflammation of hair follicles due to some kind of infection. A few of the infections which can cause this condition are:
These include SyphiliticAlopecia, a side-effect of syphilis, Scleroderma which is characterized by tightening of the skin and Tinea Capitis which is caused by ringworm.