Yes imbalance in the thyroid hormone leads to hair fall.I have been there too. 1.Please visit a good Endocrinologist, the doctor will do a few thyroid related blood tests and advise you the right medication with a dosage that suits you.Thyroid medication works when taken on an empty stomach 4 hours before breakfast and do not combine it with other medications,setting an alarm to take medication helps. 2.Apart from this also have your vitamin D,B12,Iron and zinc levels tested,vitamin deficiencies can also lead to hair fall and thinning.Take supplements if needed.In case of zinc deficiency eating few dates everyday helps. 3.Avoid excess intake of millets,if any.Research indicates excess intake causes imbalance in the thyroid hormone. 3. Start working out - exercise at least 30 mins a day,mon to fri, even a brisk walk helps keep you fit,brings your stress levels in control and also helps with the thyroid hormone. 4. Start taking this energy drink everyday with your breakfast for good vision,glowing skin and beautiful hair. Ayurvedic Home Made Energy Drink For All Ages 5.Eat nutritious food 6.Stop using hair products such as chemical shampoos/conditioners,packs and tools,instead use a mild shampoo and a natural conditioner.There are several natural shampoos,hair oil and hair pack recipes found in this site which can be easily made with the ingredients available in your kitchen or you could purchase natural hair products from any authentic 'Ayurveda' store in Hyderabad and use.