Overdose. When a person takes to much of a drug, or drugs, and thier body can not handle it. Overdosing does not always include death. Overdose to some Prescription drugs may just be severe reactions such as Siezures, Confusion, and Nausea and if not looked after right away; Death.
Drug overdose's are sometimes caused on purpose to commit suicide
, or self harm. Many drug overdose's with prescription drugs are cause by misreading of labels written by a pharmacist.
Narcotic Drug overdose can be caused by irresponsible behaviour towards the drug, or the intense addiction of the drug.
Jim Morrison O.D 'd on Heroin that he thought was cocaine at the time. The Doctors tried to revive him by putting him in a bathtub. Morrison died because his body did not react to Heroin the same, but his girlfriend at the time, being a heroin addict could have taken what he had, and be alive.