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Sildenafil works in different ways, depending on the condition it s being used to treat. Brand: Viagra. Form: oral tablet; Strengths: 25 mg, 50 mg, 100 mg; Adult dosage (ages 18 64 years) Drug form and strengths. Viagra comes as tablets that you swallow. It s available in three strengths: 25 milligrams (mg), 50 mg, and 100 mg. Effectiveness of Viagra for ED with different causes. Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of different strengths of viagra If you buy sildenafil for erectile dysfunction, it can also be known by the brand names Viagra, Aronix, Liberize and Nipatra. Sildenafil for pulmonary hypertension can also be known by the brand names Revatio and Grandipam. This medicine is available on prescription and you can also buy it from most pharmacies. Sildenafil Dosage. Medically reviewed by Drugs.com. Last updated on. Applies to the following strengths: 10 mg/mL; 10 mg/12.5 mL; 20 mg; 25 mg; 50 mg; 100 mg. Usual Adult Dose for: Erectile Dysfunction. Pulmonary Hypertension. Usual Geriatric Dose for: Erectile Dysfunction. Usual Pediatric Dose for: Pulmonary Hypertension.
Sildenafil citrate is a white to off-white crystalline powder with a solubility of 3.5 mg/mL in water and a molecular weight of 666.7. VIAGRA is formulated as blue, film-coated rounded-diamond-shaped tablets equivalent to 25 mg, 50 mg, and 100 mg of sildenafil for oral administration.