Introduction: Valif 20 mg tablet is used to treat erectile dysfunction in men. It increases blood flow to the penis to help men get an erection. It works by helping to relax the blood vessels in your penis, allowing blood to flow into your penis when you get sexually excited.

Mode of action: It is a phosphodiesterase (PDE-5) inhibitor. It works in erectile dysfunction by increasing blood flow to the penis by relaxing the muscles in penile blood vessels. It helps to get an erection only if the person is sexually stimulated.

Dosage: The doctor will advise the dose and duration of the dosage form. Swallow it as a whole. Do not chew, crush or break it.

Side effects: The most common side effects of this medicine are flushing, headache, dizziness, blurred vision, muscle pain, stomach upset, nasal congestion and rash.