The five most commonly abused medicines are Marijuana, Cocaine, Opiates (Heroin, Morphine, and Codeine), Amphetamines (Amphetamine, Methamphetamine), and Phencyclidine (PCP). Misusing metabolites of all these drugs also throught as drug exploit. In addition, misusing prescription drugs like Opioids all-natural granite . as drug abuse or abusing drugs. Use that free time