my father in laws girl friends son is on this and he is vary vary week even more week then he has he is in a well chiar and now he cant even climbinto his own bed he can hardly stand with peoples help like before he used to b able to gt his legs to work justa little to help people put him in his chiar and now he cant even do that please tell me should this med do this to him his mother is worried about him thin you for your time