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1.The present treatment is right. follow them.
2.it depends upon teh result how your hair grows after complete treatment. in most cases of successful therapy hair growth improves.
3.many good brands of food supplements are now a days available. i think best i advise is Tiens. can go for multivitamin
, or individual once.you can contact me on email firstname.lastname@example.org. just to advise you properly and not for any personal gain!!
4. take plenty of veg, fruits,milk,water, wash as per your doctors advise. thats all.
5.if your treating dr has asked to avoid oil then plz follow it to help the effect of medicine.
6.yes, white hair is due to that only. do not worry abt it.
another imp thing is about homoepathic treatment. it has unbelievable result for SD. also it treats frm the root cause. but dont interrupt present, and start only if you are not relived with allopathy.
I hope I answered your query. Wish you good health