If you need the alopecia areata treatments, you can find the best clinics in your city itself. And you should not contemplate on taking vitamins alone and avoid going for such treatments. When we talk about the vitamins for hair growth, they can help because they are supplements, but it is unwise to rely on them completely, and thereby eliminate the process of going to a doctor, and consulting him. When our body needs certain essential things to make it work better, we usually take some supplements. Taking of vitamins may not be called as taking self-medication, as in this case you are not taking some special medicines, which could be called as dangerous sometimes. But on an overall, Self-medication is not advised because the symptoms and manner of treatments are different with each individual. What might be effective for others might not be for you because of certain allergies and it might bring a different reaction to your body making the situation worse than before.