You decide not to prescribe Sildenafil in a patient because the patient is on an antianginal drug. Which of the following can it be?
sildenafil and nitrates are contraindicated to be given in combination since both of them cause vasodilation of vessels and can lead to hypotension. Ref: KD Tripathi 8th ed.
Calcium channel blockers
Beta blockers
Organic nitrates
ACE inhibitors
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