A patient prescribed sildenafil (Viagra) for erectile dysfunction is also prescribed isosorbide dinitrate. What is your best action? A. Administer the drugs if blood pressure is within normal range....

A patient prescribed sildenafil (Viagra) for erectile dysfunction is also prescribed isosorbide dinitrate. What is your best action?

A. Administer the drugs if blood pressure is within normal range.

B. Contact the prescriber.

C. Hold both drugs if the heart rate is high.

D. Administer the sildenafil at night and isosorbide in the morning.