A patient who just began taking nitroglycerin regularly for antianginal effect complains to the health care provider of a pounding headache and flushing after taking a dose of the drug
Which of the following interpretations of these symptoms is most accurate?
a. The symptoms indicate that the patient could possibly be allergic to the drug.
b. The symptoms make the client ineligible for nitrate therapy, and another type of drug must be tried.
c. The symptoms are a known adverse effect, which usually will disappear after several days of treatment.
d. The symptoms can be reduced by prescribing low doses of morphine sulfate.
ANS: C
Approximately 50% of patients receiving nitrates for acute angina attacks experience flushing and a pounding headache after administration. The headache is probably caused by dilation of meningeal blood vessels.
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