Antipsychotics Flashcards
This term is referred to drugs used to treat schizophrenia.
Antipsychotic
This term refers to the behavioral effects of the drugs in experiments.
Neuroleptic
Antipsychotics alleviate psychotic symptoms without?
depressing most other intellectual functions
Chlorpromazine and other first generation drugs have a great effect against?
Positive symptoms (delusion, hallucinations, thought disorders)
How long does it take for the apparent benefits to be seen?
2-4 weeks, tolerance does not usually develop
Which drug can desensitize the chemorecepetor trigger zone, and be used as an antiemetic?
prochlorperazine
This results in bizarre muscle spams, facial grimacing, twitching during early onset of therapy. Treatment is?
acute dystonia
trihexiphenydyl
Compelling need to be in motion, fidgeting, pacing during early onset of therapy. Treatment is?
Akathisia
propranolol, BZD
Tremor and muscular rigidity. Treatment is?
Parkinsonism
Trihexiphenydyl
Stupor, severe rigidity, hyperthermia. Treatment is?
Neuroleptic malignant syndrome.
Massive release of Ca from sarcoplasmic reticulum.
Dantrolen or bromocryptine
Involuntary movements such as sucking lips, jaw movements, protrusion of tongue. Treatment is?
Tardive dyskinesia.
Suppression more antipsychotics.
What drugs can make tardive dyskinesia worse?
anticholinergics
Traditional antipsychotics are thought to act at what receptors?
D2 antagonists in the limbic, mesocortical, extrapyramidal areas
Which drug is thought to act as D4 antagonist and has high affinity of 5-HT2 receptors?
Clozapine
Chlorpromazine blocks the effects of dopamine in what systems?
nigrostriatal, mesolimbic, mesocortical, tuberoinfundibular