Vardenafil is a phosphodiesterase type 5 (PDE 5) inhibitor that increases cGMP levels within corpus cavernosa. This drug can produce vasodilatory side effects like headache and flushing. That's why this drug is contraindicated with organic nitrates and carefully given with alpha blockers.

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0:00 Introduction
0:12 Structure of VARDENAFIL
0:58 How it acts?
4:35 Side effects Headache
5:47 Precautions
6:55 Contraindications
7:50 Drug interactions
8:24 How it is given?

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