A nurse is teaching a patient about the use of sildenafil (Viagra) for erectile dysfunction. Which statement by the patient indicates understanding of the teaching?
a. "If my erection lasts longer than 4 hours, I should contact my provider."
b. "I should not use nitroglycerin within 12 hours of using sildenafil."
c. "I should take this drug about 15 minutes before sexual activity."
d. "This drug may cause me to have an erection when I don't want one."
ANS: A
Priapism can occur and can cause tissue damage to the penis, so an erection lasting longer than 4 hours should be reported. Patients who use nitroglycerin should not use sildenafil within 24 hours of taking this drug. Patients should be advised to take sildenafil 30 minutes to 4 hours before anticipated sexual activity. Sildenafil does not cause an erection without sexual stimuli.
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