My Father age 82 yrsis diabatic. Now a days when he walk his feet not get up , and walk as feets are rubbing the road. Doctor consultaion reports he has perkinson dises symtoms. intially he prescribed 0.5 mg ROPARK tablet twice daily. After taking ropark usually he is quiet & mum. So the medicine was discontinued for one week. After discontinuing the medicine he is in good mood and talk with everone. Suddenly he had a speedy motin during the garden evening walk& tried to controll motion but fell down. Again cunsulting doctor he has given ROPARK 1mg, and PARKITIDIN 100mg tablet twice daily. After taking medicine my father feel uneasy, giddines, headche. what can be done, should i stop the PARKITIDIN TABLET OR BOTH? pLEASE SUGGEST THE REMEDY.