Classes of Psychoactive Substances
Alcohol
Amphetamines and related substances
Caffeine
Cannabis
Cocaine
Hallucinogens
Inhalants
Nicotine
Opioids
Sedatives, hypnotics
Substance Dependence DSM-IV Criteria
A great deal of time is spent
Obtaining the substance
Using the substance
Recovering from the effects
Social, occupational, recreational activities given up or decreased.
Predisposing factors of substance abuse:
Biological
Psychological
Emotional
Social/Cultural
Categories of Most Abused Substances
CNS Depressants
o Have a relaxing effect and enhance use of other drugs.
Stimulants
o Increase attention, alertness, and energy
Opioids
o Reduce intensity of pain
o Produce euphoric effect
Alcohol
, -CNS Depressant
-Rapidly absorbed in the bloodstream
Alcohol Abuse
Chronic/progressive multisystem disease
Characterized by the inability to control the consumption of alcohol
Symptoms of intoxication
Slurred speech
Lack of coordination
Memory loss
Impaired judgment/ impulse control
Nausea/vomiting
Unconsciousness/coma
Symptoms of Withdrawal
Can occur 4-6 hours after last drink
Hand Tremors
Sweating
Increased Pulse
Increased BP
Anxiety
Nausea/Vomiting
Severe Withdrawal
Often called DTs (Delirium Tremors)
Hallucinations
Shaking
Nausea/Vomiting
Flu like symptoms
Alcohol Effects on Body
Pancreatitis – nausea, vomiting, malnutrition, wt. loss, diabetes mellitus
Cirrhosis of the Liver
Leukopenia
Sexual Dysfunction
o Women – decrease or lose ability to become pregnant
o Men – diminished libido, decreased sexual performance and impaired fertility
Peripheral Neuropathy
-Peripheral nerve damage
-pain, burning, tingling or prickly sensation of extremities
-direct result of deficiencies in B vitamins