Thanks for using Healthcaremagic,
You are having Alopecia areata
let me explain about the disease It occurs more frequently in people who have affected family members, suggesting heredity may be a factor.
Systemic autoimmune disorder in which the body attacks its own anagen hair follicles and suppresses or stops hair growth.
You should visit a good Dermatologist
and take treatment there are various treatment available locally as well as systemic one.
Treatment option include local corticosteroids
,topical tacrolimus ointments
may be useful.
Please do not be depressed it is possible to treat such condition.
Even use of wigs many levels of development and technology, including wigs with suction mechanisms to keep them firmly attached to the scalp.
Hope this helps.
Dr.Akhilesh Dubey M.D