A drug is a combination of medicinal chemicals or substances formulated and prepared by chemists and pharmacists for the treatment or cure of different illnesses under the recommendation and supervision of medical doctors. Drugs are many diverse in their simplicity and strength. The commonest of these drugs are the analgesics and others like cough syrup and vitamin C and so on.... But antibiotics capsules, poison, tranquilizers,Indian hemp, cocaine and many more are not to be used without doctor's prescription or in the absence of pharmacist recommendation.
The dangers of self medication are loss of memory, some people lose their lives because of self prescription and wrong usage of drugs.
Medical experts have been saying for some time now that drug abuse could induce AIDS in some people. This means that wrongly use of drugs can destroy the immune system that guards one against certain infections.