Stimulants
Amphetamine and other amphetamine-type stimulants (ATS)
First synthesized in 1887
Used in treatment of: narcolepsy, depression, ADHD
Metamphetamine
First synthesized in 1911
Amphetamine
White, ping, grey or yellowish powder (wrapped in small pieces of paper “wraps”)
Withdrawal symptoms (ATS)
Fatigue
vivid, unpleasant dreams
insomnia or hypersomnie
increased appetite
Rebound effect
Symptoms that were either absent or controlled while taking a medication, but appear when that same medication is discontinued, or reduced in dosage.
MDMA
Ecstasy, molly etc
was synthesized in 1898, was patented in 1913.
Its chemical structure is very similar to amphetamine and mescaline.
Increase the activity of serotonin, dopamine and norepinephrine
Somatic and mental effect - MDMA
ACUTE EFFECTS IN AVERAGE DOSE:
ACUTE EFFECTS IN GREATER DOSE
Adverse effects that last up to a week (MDMA)
Cocaine
Obtaines by processing the coca leaf
Speed ball
cocaine + heroin
Cocaine + effects
Hallucinogens
Cannabis
Does not include the cannabinoids in the hallucinogen category
cannabis produces subjective states along the “hallucinogenic” spectrum but different in their psychological and behavioral effects.
Three species of cannabis
Cannabis sativa
Cannabis indica
Cannabis ruderalis
Two types of cannabinoid receptors in the brain
CB1 = nerve terminals of the frontal region of the cerebral cortex, hippocampus, and basal ganglia
CB2 = mainly on cells of the immune system
Marihuana + medical use
Symptoms of overdose (marihuana)
Vomiting dizziness intense heart rate headache respiratory problems intense anxiety panic attack hallucinations paranoid thoughts
Withdrawal (mainly mental effects)
Cannabis use and mental disorders
Affective disorders:
depression, other mood disorders, anxiety disorders
Hallucinogens
Diverse group of substances that vary - in source - chemical and molecular structure - pharmacological effects In addictive potential - in toxic effects (medical, neurological, psychiatric)
Albert Hoffmann
1938 - LSD
LSD
Used mainly as a recreational drug and for spiritual reasons
Somatic effect LSD
Dilated pupils Increased blood pressure Tremor Sweating Dizziness Nausea Enervation Blurring of sight