quiz 7 antiemetics Flashcards
these have a limited effect on GI problem-caused vomiting
Antihistamines
- diphenhydramine (benadryl)
- dimenhydrinate (dramamine)
these do not prevent vomiting caused by GI irritation, which is the most common cause
Phenothiazine tranquilizers
- acepromazine
- chlorpromazine
these inhibit the transmission of nerve impulses from the vestibular nerve by blocking histamine receptors involved in vomiting reflex
Antihistamines
- diphenhydramine (benadryl)
- dimenhydrinate (dramamine)
these block nerve conduction through the vagus nerve when there is GI irritation - they block ACH receptors
- these interfere with PNS signals from the GI tract to vomiting center
Anticholinergics
- aminopentamide (centrine)
- isopropamide (darbazine)
- atropine
these block histamine receptors in the CNS (CRTZ)
Phenothiazine tranquilizers
- acepromazine
- chlorpromazine
these can produce a sedative effect and affect allergy testing
Antihistamines
- diphenhydramine (benadryl)
- dimenhydrinate (dramamine)
this drug is short lasting, so not the best to use to prevent the transmission of signals
atropine