WebJul 12, · The recommended dosage of Viagra for erectile dysfunction (ED) is 50 mg, taken as needed about 1 hour before sexual activity. You can take it 30 minutes to 4 .Different brands may not work the same way. Do not use more of it and do not use it more often than your doctor ordered. They’re often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction ED. Vardenafil usually works for 4 to 5 hours. Seven of these companies are based in India. Its effects might last longer if you have mild to moderate ED. Some people may also have ringing in their ears tinnitus or dizziness.WebDec 1, · The highest recommended Viagra dose for treating erectile dysfunction (ED) is mg per day, according to the drug’s manufacturer. Doses of mg or mg . WebVIAGRA is available by prescription only in 25 mg, 50 mg, and mg tablets. Patients should always ask their doctors for medical advice about adverse events. You are . WebOct 1, · Viagra; Descriptions. Sildenafil is used to treat men who have erectile dysfunction (also called sexual impotence). Sildenafil belongs to a group of medicines .This medicine comes with a patient information leaflet. Egypt Egypt approved Viagra for sale in , but soon afterwards allowed local companies to produce generic versions of the drug, citing the interests of poor people who would not be able to afford Pfizer’s price. Do not keep outdated medicine or medicine no longer needed. These include a heart attack, stroke or a serious heart rhythm disorder in the past six months. Generic versions of sildenafil, vardenafil and tadalafil are available. The four main medicines taken by mouth for erectile dysfunction are: Avanafil Stendra.