Diagnosing alopecia areata is probably one of the easiest things to do about this condition since the look of the patches itself is so peculiar. Typically, close examination of the lesion reveals a smooth bald patch.

One of the characteristic finding of alopecia areata is 'exclamation point hair'. This unusual appearance of hair can be found in areas of hair loss. On close examination with a hand lens, these are seen as short, broken-off hair that are narrower closer to the scalp (appearing like an exclamation point).

Homeopathic treatment can give very good relief to patients suffering from allergic rhinitis (nasal allergy) and it significantly improves their immunity so that they don't fall prey to allergens frequently. The potential benefits of homeopathic treatment in seasonal allergic rhinitis were also confirmed in a double-blind trial conducted at Phoenix metropolitan area.

However, for a more definitive diagnosis to be established, dermatologists sometimes need to take a small skin biopsy for microscopic examination. This can be used to determine whether there is focal inflammation of the hair follicles.