Sildenafil: MedlinePlus Drug Information
Sildenafil: MedlinePlus Drug Information Viagra comes as an oral tablet in different dosages. Discuss with your doctor what s an appropriate dose for you. For daily use, Goldstein said, the generic form, sildenafil, comes in 20-mg tablets. Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. You may take…