Hello Doctor, My father has been suffering with Parkinson's for about 4 years and also has constipation problem. Now the problem becomes very serious he is not able to pass motion in his daily routine life, he is using enema to remove stools every 10 days once and he has a feeling that often he pass urine and he loss his vitamins from his body which make him very week and even let him wake up from bed to walk . I request you to suggest some remedies for this bad state of my father.