question: hai sir my father is diagnoised  with parkinsons  .He has been taking medicines for two  years with carbidopa,levidopa,entacapone,selgin,,pacitine,amantril..still his movements are not as like as healthy individual.professionally he is a farmer and he does his work.but on heavy work his left hand seems little close.so could you please suggest that continue same medicine or any other midicines .