How long can alopecia areata last?

Alopecia areata can be cured, but if the disease is serious, the chance of being cured is relatively low. Alopecia areata generally has no way to heal itself, because there are many causes of this disease. There is no good treatment method at present. Alopecia areata generally needs treatment for 3-4 months, but because individual constitution is different, the specific treatment time is not good to determine.