Anti-psychotics Flashcards
Blocking of D2 receptor is strongly related to
EPS
Drug interaction of Lithium
Decrease clearance if given with thiazide and prostaglandin
Dopamine receptor that is found in the cortex only
Dopamine 4
Example of Aliphatic Phenothiazine
Chlorpromazine
Receptor affinity of Haloperidol
D2 > Alpha-1
What is the mechanism of action of lithium (2)
- suppresses inositol signal thru depletion of intracellular inositol
- Inhibit glycogen synthase kinase (GSK-3)
What antipsychotic that causes retinal deposition resembling retinitis pigmentosa
Thioridazine
What is the mechanism of developing neuroleptic malignant syndrome
Excess rapid blockade of postsynaptic dopamine receptor
Antipsychotic drug than can cause seizure
Chlorpromazine
Clozapine
Receptor affinity of Quetiapine
H1>Alpha1>M1>D2>5HT2A
Akathisia and Dystonia can be ameliorated by
Diphenhydramine
Aggranulocytosis occurs in this antipsychotic medication
Clozapine (6-8th week)
This antipsychotic causes DM and gain weight
Clozapine and olanzapine
If parkinsonism arise secondary from antipsychotic medication what can be given?
Antiparkinsonism of antimuscarinic type
What class of antipsychotics causes Prolongation of QT interval
Ziprasidone
What medication causes anterior deposits in the eye
Chlorpromazine
This medication has both D2 and 5HT2A antagonist and has greater effect as negative symptoms of schizophrenia
Caprizapine
Receptor affinity of Chlorpromazine
Alpha1=5HT2A>D2
Adverse effect of lithium
Tremor Subclinical hypothyroidism Nephrogenic DI - low response to ADH Edema Sick sinu syndrome Acneiform eruption