Subh Arogya, NO, you don't need medicines for your whole life....only till doshas in your body gets rectified. Please do continue with another ayurvedic doctor. Medicines are one part but diet is also an important part of the treatment. It may take some time for you to get completely healed.

Start eating healthy food like nuts eggs, leafy vegetables , Sprouts. Reduce too much spicy oily food. Hair fall will stop automatically. take Amla regularly makes hair smooth hair growth will happen

medicines is only the solution for excessive hair loss as u told. It is normal to lose about 30-80 strands of hair in a day. Common reasons behind hair fall are 1) Lack of essential nutrients in the body 2) Improper and unhealthy dietary habits 3) Hormonal imbalance 4) Certain medications, 5) Dandruff, alopecia and other scalp disorders, 6) Anemia and thyroid issue 7) Increased body heat 8) Stress and tension etc. 9) Use of Hard water to wash hairs TIPS TO STOP HAIR LOSS 1) Use Natural oils such as coconut, almond etc. to massage gently the scalp for countering hair fall. 2) Have more proteins and trace minerals in diet. 3) Start taking Ayurvedic hair nutrition supplement. 4) Keep stress away & take proper 8 hr calm sleep 5) Get the underlying scalp condition like dandruff treated. 6) Start 2 spoon cow ghee with milk - empty stomach; will provide you essential nutrition. 7) Use soft water to wash your hairs.(alternate day is limit) 8) DO regular exercise, yoga, meditation. 9) keep your body cool & calm to avoid hairfall

Hair fall is due to so many reason off course in ayurvedic principle hair fall is due to excessive pitta dosh, this can be manage by diet restriction also but once required medicine for removing excess pitta from body. for this purpose two methods described in ayurveda one is shaman treatment like medicine regularly other is shodhan chikitsa in this includes Panchkarma therapy like snehan swedan and virechana Nasya is advisable in your case. some nutritional deficiency also causes hair loss like vitamin D3, Calcium and vitamin B12, so go for routin checkup also. plan for panchkarma treatment for complete cure otherwise only oral medication only controlled the hair fall until medicine taken. follow the diet restriction-- avoid fast foods cold drinks and spicy sour bitter item specially vinegour