Viagra treats erectile dysfunction (ED) in adults. It’s usually taken about 1 hour before sexual activity. Viagra dosage is not based on weight, but your age can affect your dosage. Viagra comes as an ...

Most side effects of Viagra (sildenafil) are mild, such as headaches, flushing, or upset stomach. Many side effects naturally fade over a few hours as the medication leaves your system. Seek immediate ...

Pfizer announced today that it has withdrawn its application to switch the legal status of the 50 mg tablet strength of Viagra from 'prescription only' to 'non-prescription' in the European Union (EU) ...

Viagra is available in 25-milligram (mg), 50-mg, and 100-mg doses, with the typical starting dose being 50 mg taken an hour before sexual activity. The maximum recommended dosage is 100 mg per day.