15 days ago after waking up from the bed I realised that my left side face is little bit inactive, I could close my eyes fully, Could not even drink Water properly. I met doctor, (general physician) they said it is "bels palsy" and gave tablets and asked me to follow Some excerisies. I have recovered abt 60%. Wats the main reason for it and do I need any spacial treatment and test to recover fully? Pls suggest, I worried. Tab given wysolone 25 Number Oritop 40 numbers Acivir - 400 20 numbers Letgo- SP.