Viagra is a brand name of the drug Sildenafil citrate which belongs to the drug class – Phosphodiesterase type 5 inhibitors.
Viagra is available in the following dosage form:
Tablets 25 mg
Tablets 50 mg
Tablets 100 mg
Tablets 150 mg
Sildenafil – the active component of Viagra works by relaxing muscles and increasing blood flow to particular areas of the body (into penis).
Sildenafil under the trade name of Viagra is indicated to treat erectile dysfunction (impotence) in men. Page - to buy viagra online