question: i am taking methimazole for hyperthyroid I started taking 20mgs a day my hair started breaking off and thinning out , My THS and T3 & T4 levels are now normal in a matter of 4 months My doctor has decresed this medicine to now only 2.5 mg a day Hopefully I will be getting off this medicine i hate it Makes me feel worse Can I take Biotin to help the hair loss and how many mg. s should be taken daily?