A nurse is completing an admission assessment for a client who has been taking St. John’s wort. The nurse should identify that which of the following medications can interact with St. John’s wort?
Rifampin.
Furosemide.
Citalopram.
Allopurinol.
The Correct Answer is C
Choice A rationale
Rifampin is an antibiotic used to treat tuberculosis and other bacterial infections. It does not have a known interaction with St. John’s wort.
Choice B rationale
Furosemide is a diuretic used to treat fluid retention and high blood pressure. It does not have a known interaction with St. John’s wort.
Choice C rationale
Citalopram is a selective serotonin reuptake inhibitor (SSRI) used to treat depression. St. John’s wort can interact with SSRIs like citalopram, potentially leading to serotonin syndrome, a serious condition caused by excessive levels of serotonin in the brain.
Choice D rationale
Allopurinol is used to treat gout and kidney stones. It does not have a known interaction with St. John’s wort.
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Correct Answer is A
Explanation
Choice A rationale
Benzonatate is a non-narcotic cough suppressant that works by numbing the throat and lungs, making the cough reflex less active. It can cause drowsiness and dizziness, so patients are advised not to drive or operate heavy machinery while taking this medication.
Choice B rationale
Benzonatate does not help in coughing up mucus. It suppresses the cough reflex, which can be beneficial for dry, irritating coughs but is not suitable for productive coughs where mucus needs to be expelled.
Choice C rationale
There is no need to decrease dietary fiber intake while taking benzonatate. Dietary fiber does not interact with the medication or its effectiveness.
Choice D rationale
Benzonatate capsules should not be chewed or crushed, as this can cause numbness of the mouth and throat, leading to potential choking hazards.
Correct Answer is D
Explanation
Choice A rationale
Hyperglycemia is not a common adverse effect of colesevelam. Colesevelam is primarily used to lower cholesterol levels and can also help control blood sugar levels in patients with type 2 diabetes.
Choice B rationale
Stomatitis, or inflammation of the mouth, is not typically associated with colesevelam. This medication works in the intestines and is not absorbed into the bloodstream, so it does not commonly cause systemic side effects.
Choice C rationale
Fever is not a known adverse effect of colesevelam. The medication’s side effects are generally limited to the gastrointestinal system.
Choice D rationale
Constipation is a common adverse effect of colesevelam. This medication binds to bile acids in the intestines, which can lead to gastrointestinal side effects such as constipation.