lilley ch 52 antiemetic and antinausea drugs Flashcards
Unpleasant feeling that often precedes vomiting
nausea
Forcible emptying of gastric and, occasionally,
intestinal contents
emesis (vomiting)
where do signals come from that stimulate chemoreceptor trigger zone (3)
- GI tract
- inner ear
- cerebral cortex
7 categories antiemetic drugs
- anticholinergics
- antihistamines
- antidopaminergics
- neurokinin antagonists
- prokinetics
- serotonin blockers
- tetrahydrocannabinoids
example anticholinergic antiemetic drug and what its used for
scopalamine
*motion sickness
3 examples antihistamine antiemetics
- dramamine
- benadryl
- meclizine
3 examples antidopaminergic antiemetics and what they’re used for
- prochlorperazine
- promethazine
- droperidol
- used for psychotic disorders or intractable hiccups
3 examples neurokinin antagonist antiemetics and what they’re used for
- aprepitant
- fosaprepitant
- rolapitant
- used for acute and delayed vomiting associated with chemotherapy
example prokinetic antiemetic and what its used for
metoclopramide
*GERD
4 examples serotonin blocker antiemetics and what they’re used for
- dolasetron
- granisetron
- ondansetron
- palonosetron
- chemotherapy N/V
example tetrahydrocannabinoid antiemetic and what its used for
dronabinol
*anorexia associated with pts with AIDS and cancer
herbal product used for nausea
ginger
3 adverse effects ginger
- anorexia
- N/V
- skin reactions
drug interaction with ginger
increase bleeding risk with anticoagulants
when are antiemetics given with chemotherapy
30-60 mins before chemo