Drowsiness and euphoria
Marked stimulation of the central nervous system (CNS)
Lethargy and decreased metabolic rate
Altered perception and awareness as well as hallucinations
It is primarily a CNS stimulant.
It may cause congenital defects in infants born to alcoholic mothers.
It does not interact with other drugs in the CNS.
It usually causes severe kidney damage.
An intense emotional need for a drug in order to function
Adaptation of the body to a drug, resulting in withdrawal signs after the drug is discontinued
The need for an ever-increasing dose to produce the same effect
Continuing to take a drug when it is not required medically
Loss of sensory function
demonstrate physical signs when the drug is discontinued.
require a larger dose than expected to control pain.
require a smaller dose than expected to control pain.
show signs or symptoms of drug toxicity.