Sildenafil is the generic version of Viagra®, the most well-known treatment for erectile dysfunction (ED). Sildenafil is an effective, modern medicine used to treat erectile dysfunction (ED). When you take Sildenafil, you may be able to:
- Improve your ability to get and maintain an erection.
- Be more confident in your ability to get and maintain an erection.
- Be satisfied with the hardness of your erections.
You should take Sildenafil about one hour before you plan to have sex. Swallow the tablet whole with a glass of water. Sildenafil can be taken with or without food, but you may find that it takes longer to start working if you have it with a heavy meal.