hi there, I m, 38 years old singaporean, I have a history of epilepsy and long term on medication, taking epilim n lamictal every night and my condition is under control, for the past 1 month have severe hair loss , half of my hair dropped, recently did change my shampoo, but don know the reason why the sudden drop in hair, plse assist me with this problem n how to stop immediate hair loss. email id: YYYY@YYYY thank you.