My cousin siddharth mishra is continuously taking drug abuses from last 10 years he is taking corex cough syrup and he was also taking spasm proxyvon capsules also but from last 3 years spasm proxyvon was unavailable at stores than he is taking clonafit tab in night also and he wants to get rid from it he was very good looking but due to continuous drug addiction of corex and other kind of drugs like clonafit he is now looking very bad I mean after seeing him nobody can say that he belongs to a good decent family why this is happening to him he looks like 4th grade employees he is working as manager in reputed mnc and we are planning for his marriage whether he will be got rid from drug abuse and he spends most of his salary into bad habits and he is smoking too whether his disease is curable and can you suggest some medicines for him as antidote and their dosage as well.