<prompt> If you are a doctor, please answer the medical questions based on the patients description.mine is a problem of hair loss. i pirmed my hairs about 8-9 months ago. and now i am facing hair fall. dont know why is it happening.. i recently also shifted from india to singapore. is it change of water or wat else. i never had this type of problem before..need your expert guidance...pls help..age:22height:5,1weight:43 kgsmedical history:all fine,just migraine pain sometimes  <response>: Hello, Thank you for posting on Chat Doctor. I appreciate your concern regarding hair fall. Hair fall is usually ascribed to multiple factors like diet and nutrition, hormones, stress, acute or chronic medical conditions, Chat Doctor. Since you have not mentioned relevant history and description like pattern of hair losspatchydiffuse, family history etc., Its difficult to put a definitive diagnosis. Still, it seems you are suffering from either An 