Sildenafil Viagra. It might work longer if you have mild to moderate erectile dysfunction. Regulations ensure generic medicines contain the same active ingredient and have the same effect as their branded counterpart. Its effects often last for 4 to 5 hours. If you are having an operation or dental treatment, tell the person carrying out the treatment which medicines you are taking. They include dutasteride Avodart, Jalyn and finasteride Propecia, Proscar.Last updated Meets Patient’s editorial guidelines Added to Saved items Vardenafil is for the treatment of adult men with erectile dysfunction. Take a tablet . The Little Orange Pill: Levitra makes erections easier, harder and longer-lasting. It was the second approved treatment for ED to hit the market after the “Little . This drug may make you dizzy or cause vision changes. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs .