Alopecia areata is an autoimmune condition, where the body attacks its own hair follicles (where hair grows from), which can cause hair loss anywhere on the body. Hair would loss often in clumps or quarter. The amount of hair loss is different in everyone. Some people lose it only in a few areas. Others lose a lot. Sometimes, hair grows back but falls out again later, where it revert back is acute non scarring type and which doesn’t revert back is chronic scarring type. Moreover treatment part differs for both the types and our experienced doctors would check and guide the treatment accordingly.