You decide not to give sildenafil to patient who is on antianginal drug, which of the following drug it can be?
Ans. C. NitratesNitrates act by increase CGMP and sildenafil decrease the breakdown of this compound. Marked increase in CGMP results in profound hypotension and reflex tachycardia.
Calcium channel blockers
Beta blockers
Nitrates
ACE inhibitors
C.V.S