New hair will not grow until the immune cells cease attacking the follicle. In particular, the condition is usually self- limiting when the hair loss occurs after puberty. Hair growth may begin immediately after hair loss, or it may begin again several months to years after the initial manifestation of hair loss. The more extensive the condition, the less likely that there will be improvement without therapy. Treatment of alopecia areata Treatment for alopecia areata is determined by the extent of hair loss, which is established by your physician.
Corticosteroids have a multitude of effects that lead to suppression of the inflammatory response.
Topical minoxidil may also be effective in individuals with patchy alopecia areata. PUVA therapy involves ingesting a light-sensitive drug, followed by short exposure to UVA light . Immunosuppressive therapy is reserved for the more severe forms of alopecia areata, and it requires close supervision by your physician. Telogen effluvium Hair growth occurs in cycles, and each hair's cycle is independent of other hairs' growth cycles. Life events can alter hair growth and cause many follicles enter the resting phase simultaneously.