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Strong analgesics acting on opioid receptors (e.g. morphine).
Opioid overdose triad: pinpoint pupils, respiratory depression, coma.
Cholinergic Pharmacology
Drugs that increase or block the action of acetylcholine.
Antiepileptic Drugs
Drugs that control seizures by reducing abnormal neuronal firing.
Antipsychotics
Drugs used to treat psychosis, mainly by blocking dopamine.
Antiparkinsonian Drugs
Drugs that raise dopamine activity (and reduce the relative cholinergic activity) in the brain to relieve the stiffness, tremor and slowness of Parkinson's disease.
Antidepressant Drugs
Drugs that relieve depression mainly by raising the levels of the monoamine transmitters serotonin and noradrenaline at brain synapses.
Sedative-Hypnotics and Benzodiazepines
Drugs that calm and promote sleep, mostly by enhancing the action of the brain's main inhibitory transmitter, GABA.