Cialis vs. Viagra: Effectiveness, Dosage, and Safety

You may take it up to 4 hours before sexual activity. Do not take Viagra more than once per day. Shake the oral suspension (liquid) before you measure a dose. Use the dosing syringe provided, or use a medicine dose-measuring device (not a kitchen spoon). Viagra can help you have an erection when sexual stimulation occurs. normal dose of viagra On average, Viagra lasts between 2 and 3 hours before its effects start to diminish. Viagra can last up to 5 hours or longer depending on your dosage, your body s metabolism, and other external Sildenafil (Viagra) Common questions about sildenafil. How does sildenafil work? How well does it work for erection problems? Are there any long-term side effects? How does it compare to other medicines that can treat erection problems? Are there other treatments for erectile dysfunction? Is there a herbal Viagra? Can women use it?

Generic Viagra, or Sildenafil, does not look like the famous blue diamond Viagra pill. Instead it is a fairly innocuous, usually white, circular pill. The appearance of the generic viagra brands can change depending on which manufacturer has made the pill. 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. new viagra white pill Answer. Yes, sildenafil (the active ingredient in Viagra), manufactured by Teva, is the FDA approved generic for brand Viagra. It launched on Decem. The announcement from Teva can be seen here. Viagra dosage for erectile dysfunction (ED) is usually milligrams (mg), but those over 65 may start at 25 mg. Your doctor will also need to consider possible drug interactions.