Substance abuse is characterised as the over indulgence of a dependence on addictive substances, in particular drugs and alcohol.
Commonly, alcohol and prescription drugs, when used to excess, and any use of illicit drugs is considered as substance abuse.
Signs and symptoms of some of the more commonly used drugs, including alcohol, marijuana, cocaine, ecstasy and heroin are listed below:
For the treatment of any overdose you must follow the basic emergency action plan (D.R.S.A.B.C.D.)
Remember that a person who has overdosed might be hallucinating, disorientated and aggressive so it is very important to make sure that you are not placing yourself in danger.