Digestive Drugs Flashcards
Work by blocking one of the vomiting pathways, thus stopping the vomit stimulus
Antimetics & anti nausea drugs
Anticholinergic drug that blocks Each receptors in the inner ear labyrinth to prevent motion sickness.
scopolamine
Antihistamine drugs:
dimenhydrinate (Drammine)
diphenhydramine (Benadryl)
Anticholinergic effect of scopolamine?
Dried mucus membranes: dry mouth, constipation, urinary retention
Contraindication of scopolamine
glaucoma + prostatic hypertrophy
These drugs prevent cholinergic response in vestibular & reticular areas (no N/V). They prevent motion sickness, allergies, and sedation.
Antihistamine drugs
When to take the oral form of an antihistamine
1 hour before nausea-stimulus activity
Use of Ipecac?
Induces vomiting
Suffix and prefix of antidopaminergic drugs
pro-
-azine
This drug blocks dopamine receptors in the CTZ. It can also be used for psychotic disorders, and intractable hiccups. Nurses like these drugs because it knocks out patients.
Antidopaminergic drugs (Compazine, Phenergan)
Normal side effects of antidopaminergic drugs
sedation, muscle spasms (dystonia), rigidity, reddish-brown colored urine
Prokinetic drug
metoclopramide (Reglan)
This drug stimulates GI peristalsis aka enhances the emptying of the stomach
Prokinetic drugs- metoclopramide
Administration of metoclopramide
Give 30 minutes before meals
Serotonin blockers
odansetron (Zofran)
This drug is used in pre-chemotherapy and for post-operative
Zofran
Adverse effects of Zofran
- dizziness & diarrhea
- headache (may take mild analgesic)
Very important contraindication to Zofran
No kids under the age of 4
This psychoactive substance inhibits the effects on RF, thalamus, and cerebral cortex
THC (Marinol)
Bulk forming laxatives
psyllium (Metamucil)