antipsychotic background Flashcards
what are psychotherapeutics used to treat?
pyschoses - perceptual and behavioral disorders
what should patients on lithium be encouraged to do?
maintain hydration and salt intake
should lithium be used in children?
no
site of action for behavioral drugs
neurons
classifications of antipsychotics
-typical (older, first gen)
-atypical (second & third gen)
typical antipsychotics
-primarily dopamine receptor blockers
-cause several adverse effects including hypotension, anticholinergic effects, EXTRAPYRAMIDAL SIDE EFFECTS
atypical antipsychotics
-block both dopamine and serotonin receptors
-may alleviate some of the unpleasant neurological effects and depression of typical antipsychotics
where are antipsychotics absorbed
GI tract
what patients should not take antipsychotics?
parkinsons patients
can antipsychotics cross the placenta and breast milk?
yes
contraindications for antipsychotics
-underlying diseases that could be exacerbated by dopamine-blocking effects of these drugs
-CNS depression
-phenothiazines may cause pink or brown discoloration of urine
antipsychotic contraindications
-underlying diseases that could be exacerbated by dopamine blocking effects of these drugs
-CNS depression
-circulatory collapse
-Parkinsons disease
-coronary disease
-severe hypotension
-prolonged QT interval
antipsychotic adverse reactions
-sedation
-weakness
-tremors
-drowsiness
-extrapyramidal effects
-dry mouth
-nasal congestion
-constipation
what should you do before putting someone on an antipsychotic?
EKG
antipsychotic adverse reactions
-beta blockers
-alcohol
-thioridazine
