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Home / Pharmacology / CNS Pharmacology

CNS Pharmacology

3 topics in CNS Pharmacology for PGET Paper I Pharmacology. Each one explains the concept simply, then gives exam-focus points and a quick revision list.

Sedative-hypnotics and antiepileptic drugsHow benzodiazepines, barbiturates and the Z-drugs act on the GABA-A receptor, their uses, dangers and antidote (flumazenil), and the antiepileptic drugs: mechanisms, drugs of choice for each seizure type, status epilepticus, key adverse effects and pregnancy issues.Antipsychotics and antidepressantsDrugs for psychosis, depression and bipolar disorder: typical and atypical antipsychotics with their extrapyramidal and metabolic effects and neuroleptic malignant syndrome; SSRIs, tricyclics, MAO inhibitors and newer antidepressants with serotonin syndrome and tricyclic overdose; and lithium with its narrow therapeutic range.Opioid analgesicsHow opioids relieve pain: opioid receptors, morphine's effects and adverse effects, the other opioids (pethidine, fentanyl, codeine, tramadol, methadone, buprenorphine), opioid overdose and naloxone, tolerance, dependence and withdrawal, and dose conversion between opioids.
Previous chapterAutonomic PharmacologyNext chapterCardiovascular Pharmacology

All Pharmacology chapters · All PGET subjects

The House Job by snuggs.pk

Clinical guides, drug doses and exam preparation for house officers and young doctors in Pakistan.

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For education and revision. Not a medical device and not a substitute for clinical judgement, senior advice or your hospital’s protocols. Check every dose against a current drug reference before prescribing. Not affiliated with PMDC, CPSP, NUMS or any hospital.