Viagra - An overview
Viagra contains the active ingredient called sildenafil citrate. This medication is prescrived to help treat problems with maintaining or getting an erection. ED is also called impotence and can make it impossible to get an erection or reduce the ability to have one. ED can also cause a man to have only brief erections. In short, ED is the ongoing inability to develop or maintain an erection that is hard enough to have sexual intercourse.
The manufacturer
Pfizer, Inc. Is the maker of Viagra.
What it does
Viagra works to block the chemical that allows blood to flow from the penis. When the amount of blood in the penis increases, the erection improves.
Possible secondary effects
Any medications have the potential to cause secondary effects. Viagra has the potential for them as well. Not all people that take this medication have any secondary effects and many men do quite well with it. If you do notice them, they are usually mild and will likely require no treatment.
Most of the commonly reported secondary effects can include:
- Flushing of the face
- Headache
- Nasal congestion
- Indigestion
- UTI
- Trouble with the vision
- Increase in light sensitivity or blurry vision
- Dizziness
- Rash
- Diarrhea
If you have any kind of cardiovascular disease or serious risk factors for heart disease, your chances of serious problems that include your blood vessels, brain or heart increase. These problems can cause sudden death, heart attack or stroke.
Available Strengths
Many different strengths of Viagra tablets can be purchased. They include:
- 25 mg Viagra
- 50 mg Viagra
- 100 mg Viagra
Generic forms of Viagra
At this time, no generic forms of Viagra are legally for sale in United States pharmacies.