Antipsychotic drugs Flashcards
high potency drugs TYPICAL
Haloperidol Fluphenazine Trifluoperazine
Prochlorperazine
Low potency drugs TYPICAL
Chlorpromazine Thiothixene thioridazine
EPS
Neuroleptic -malignant syndrome
Acute dystonia
Perioral tremors
Parkinsonism
Tardive dyskinesia
Akathisia
Akathisia R/
Propranolol
Diphenhydramine Benzodiazepine, clonazepam or diazepam
Parkinson-like symptoms R/
antimuscarinic drug: trihexyphenidyl, procyclidine, benztropine
Perioral Tremors R/
antimuscarinic drug: trihexyphenidyl, procyclidine, benztropine
Neuroleptic Malignant Syndrome R/
IV Dantrolene (muscle relaxant) (DOC),or bromocriptine ( D2 agonist)
Acute dystonia
Rx: IM antihistaminic-anticholinergic
(Diphenhydramine or Promethazine)
Tardive dyskinesia
Irreversible- treatment unsuccessful
Atypical antipsychotic
Clozapine
❑ Olanzapine
❑ Quetiapine
❑ Asenapine
❑ Risperidone
❑ Ziprasidone
❑ Paliperidone
❑ Amisulpride
❑ Aripiprazole
❑ Brexipiprazole
❑ Cariprazine
Clozapine ADR
Agranulocytosis
▪ Sedation
▪ Weight Gain
▪ Paradoxical hypersalivation
▪ Risk diabetes
▪ Low seizure threshold
▪ Myocarditis, Constipation
Risperidone
hyperprolactinemia (galactorrhoea, gynaecomastia),
▪ EPS at high doses
▪ weight gain, postural hypotension, cardiac arrythmia
Olanzapine
▪ Few EPS, Weight gain
▪ Risk of hyperlipidemia
▪ New onset of diabetes mellitus, seizure
Ziprasidone
QT prolongation
Quetiapine
Drowsiness, headache, orthostatic hypotension and weight gain, Drug interaction with antifungals, macrolides, anticonvulsants.