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19 Cards in this Set

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How do antiemetics and antivertigo drugs work?
They reduce indirect stimulation of the vomiting centers and reduce the levels of dopamine and acetylcholine (which cause vomiting).
Antiemetics and antivertigo drugs reduce or increase the level of dopamine and acetylcholine?
Reduce.
What sorts of drugs can effectively combat motion induced nausea+vomitting?
Drugs that inhibit cholinergic nerve inpulses.
Anticholinergic drugs are used to control nausea and vomiting. T or F
FALSE.
Antidomapinergic agents control nausea+vomiting exclusively.
What are anticholinergic medications use to control?
Motion sickness.
Which two meds control vertigo?
Meclizine and dimenhydrinate
A pt expected to have nausea is usually given ________.
5-HT prophylactically
What's the most common side effect of the anticholinergic(slow) antiemetic?
Drowsiness.

Tolerance develops with long-term treatment.
A pt with dry mouth, stuffy nose and urinary incontinence is demonstrating signs of an _________.
Adverse reaction to anticholinergics
Anticholinergic drugs tend to increase the anticholinergic effects of other drugs. T or F
TRUE
Antiemetic and this anti-depressant tend to cause a reaction.
MAO I
What types of herbs are generally used to treat motion sickness?
Peppermint and ginger
Peppermint has the potential to interact with anti-coags, aspirin, NSAIDS, anti-platelets and digoxin. T or F
FALSE.

Ginger.
Some antiemetics and antivertigos are safe for children. T or F
FALSE.

Antiemetics/vertigos may contribute to development of Reye's syndrome.
(a brain encephalopathy fatal to kids)
How should pt take antemetic/vertigo for motion sickness?
30 -60 min before departure
30 minutes before meals thereafter
Antiemetics and antivertigos are CNS stimulants. T or F
FALSE.

They are depressants.
All pheothiazine derivatives turn the urine brown. T of F
False.

Pink or reddish brown
When may the pt rec'v an IM or rectal version of the antiemetic?
When they're vomiting or so nauseated that they can't take via PO
Pediatrics with chickenpox, CNS infections, measles, dehydration. gastroenteritis and other acute illneses should avoid this type of antiemetic.
Phenothiazine.

...because they are at risk for adverse reactions and Reye's syndrome.