Alopecia is the medical term for hair loss which can occur from multiple causes in men, woman and children.
Approximately 1.7% of the population are equally affected by alopecia.
There are two main types of alopecia - areata which is sudden, and androgenetic, which is the normal hair loss that men suffer (also known as male pattern baldness). Alopecia is not physically dangerous but can be devastating psychologically.
Types of alopecia:
Alopecia Areata (AA)
Used to describe hair loss occurring in patches anywhere on the body.
Alopecia Totalis (AT)
Total loss of the hair on the scalp.
Alopecia Universalis (AU)
Total loss of all hair on the body.
Loss of facial hair (for a man) especially in the beard area.
A type of alopecia which results in scaley patches.
Androgenetic Alopecia (AGA)
Also known as male pattern baldness. It is a thinning of the hair to an almost transparent state, in both men and women. It is thought to be a hereditary form of hair loss.
Usually due to excessive pulling or tension on hair shafts as a result of certain hair styles. Prolonged traction alopecia can stop new hair follicles developing and lead to permanent hair loss.
This hair loss is generally caused by chemicals such as those used to treat cancer. Initially is causes patchy hair loss, which often then becomes total hair loss. Hair normally grows back once these chemicals have stopped being used. Other drugs can also cause hair loss. Many medicines used to treat common diseases can cause hair loss.
A form of alopecia which leaves scarring on the area of hair loss.
A form of hair loss where more than normal amounts of hair fall out. There is a general 'thinning' of the hair. Unlike some other hair and scalp conditions, it is temporary and the hair growth usually recovers.