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19 Cards in this Set
- Front
- Back
How do antiemetics and antivertigo drugs work?
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They reduce indirect stimulation of the vomiting centers and reduce the levels of dopamine and acetylcholine (which cause vomiting).
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Antiemetics and antivertigo drugs reduce or increase the level of dopamine and acetylcholine?
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Reduce.
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What sorts of drugs can effectively combat motion induced nausea+vomitting?
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Drugs that inhibit cholinergic nerve inpulses.
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Anticholinergic drugs are used to control nausea and vomiting. T or F
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FALSE.
Antidomapinergic agents control nausea+vomiting exclusively. |
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What are anticholinergic medications use to control?
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Motion sickness.
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Which two meds control vertigo?
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Meclizine and dimenhydrinate
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A pt expected to have nausea is usually given ________.
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5-HT prophylactically
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What's the most common side effect of the anticholinergic(slow) antiemetic?
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Drowsiness.
Tolerance develops with long-term treatment. |
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A pt with dry mouth, stuffy nose and urinary incontinence is demonstrating signs of an _________.
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Adverse reaction to anticholinergics
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Anticholinergic drugs tend to increase the anticholinergic effects of other drugs. T or F
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TRUE
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Antiemetic and this anti-depressant tend to cause a reaction.
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MAO I
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What types of herbs are generally used to treat motion sickness?
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Peppermint and ginger
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Peppermint has the potential to interact with anti-coags, aspirin, NSAIDS, anti-platelets and digoxin. T or F
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FALSE.
Ginger. |
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Some antiemetics and antivertigos are safe for children. T or F
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FALSE.
Antiemetics/vertigos may contribute to development of Reye's syndrome. (a brain encephalopathy fatal to kids) |
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How should pt take antemetic/vertigo for motion sickness?
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30 -60 min before departure
30 minutes before meals thereafter |
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Antiemetics and antivertigos are CNS stimulants. T or F
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FALSE.
They are depressants. |
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All pheothiazine derivatives turn the urine brown. T of F
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False.
Pink or reddish brown |
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When may the pt rec'v an IM or rectal version of the antiemetic?
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When they're vomiting or so nauseated that they can't take via PO
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Pediatrics with chickenpox, CNS infections, measles, dehydration. gastroenteritis and other acute illneses should avoid this type of antiemetic.
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Phenothiazine.
...because they are at risk for adverse reactions and Reye's syndrome. |