Psychosis Flashcards
Causes of psychosis
Functional - schizophrenia, bipolar
Medical - epilepsy, Alzheimer’s, dementia, HIV, neurosyphilis
Drugs - cannabis, mantras, cocaine, amphetamines
Prescription - steroids, antiparkinsons, atropine
Post partum
Define psychosis
Loss of contact with reality
Indications for neuroleptics
Primary - schizophrenia, mania, organic psychosis
Others - nausea, vomiting, hiccups, Tourette’s, anaesthesia
Classes of neuroleptics
Classical/typical - dopamine 2 receptor antagonists
Atypical - D2, D3, serotonin receptor antagonists
Egs of EPSEs
Acute dystonic reactions (young males) give anticholinergic
Parkinsonian signs (bradykinesia, rigidity, tremor)
Akathisia - motor restlessness
Complications of neuroleptic a
Tardive dyskinesia (involuntary movements)
Neuroleptic malignant syndrome - increased temp, dehydration, febrile illness, catatonia (Rx dantrolene, bromocryptine [dopamine antagonist], benzodiazepine)
What groups of patients are at risk with neuroleptics
Pregnant / lactating
Children (EPSE)
Elderly
Hepatic disease
What to give for resistant psychosis
Clozapine
Name typical neuroleptic a
Haloperidol
Phenothiazines - chlorpromazine