Psychopharm (Bio) Flashcards
Antipsychotic: mechanism of action
All are dopamine D2 antagonists (i.e., lower the levels of dopamine in the brain by blocking dopamine receptors)
Drugs that end with suffix “azine”
Typically a conventional/typical antipsychotic drug
Antipsychotic medication side effects
sedation and drowsiness, orthostatic hypotension, anticholinergic effects, weight gain, sexual dysfunction, tardive dyskinesia
Typicals: extrapyramidal symptoms (EPS)
Atypicals: metabolic adverse effects
Anticholinergic effects
Sx of “drying out” and “holding in”
dry mouth, constipation, urinary hesitancy or retention, blurred vision, dry eyes, photophobia, nasal congestion, confusion, and decreased memory
Extrapyramidal Symptoms (EPS)
movement-related Sx such as dystonia (muscle spasm), Parkinsonism (shuffling gait, drooling, resting tremor, rigidity, bradykinesia), and akathisia (restless feeling in legs)
Tardive Dyskinesia
Abnormal movements of the lips, toungue, and jaw (e.g., lip smacking, grimacing, chewing, rolling, etc.) and may involve trunk and arms