Viagra was the first ever prescription treatment for erectile dysfunction. Prior to its introduction, no one had any idea about how erection problems or the condition itself could or should be treated. Men just used to accept that erection problems are a part of ageing and never questioned if it was a common occurrence or even if it was actually a disease. When Viagra was introduced, men realized for the first time that erectile dysfunction is a treatable condition.

Viagra is taken orally for treatment of erectile dysfunction. Erection problems can be defined as problems in achieving, keeping or maintaining erection. In clinical trials, more than 80% men improved their erections with this erectile dysfunction medication. Viagra also helps men achieve harder erections for longer which is important for both the partners to have a gratifying sexual experience.

Clinical trials and more than a decade of actual usage have both proven that Viagra is safe for use. However, some of the basic eligibilities required to take Viagra are as below:

· For men only (above the age of 18 years only)

· Erection problems all the time or some of the times in few men

· Men with health issues such as high blood pressure, diabetes, and depression

Consult your doctor whether it is safe for you to take Viagra and to engage in sexual activities. If you experience chest pain or discomfort during sex, you need immediate medical attention.

Viagra is available in blue rounded-diamond shape in the strengths of 25mg, 50mg and 100mg. Viagra should be taken 30 minutes to an hour prior to sexual activity only when it is needed. You may even take Viagra up to 4 hours before sexual activity. Viagra can not be taken more than once in a day.

Viagra has the active ingredient sildenafil, which facilitates erection by boosting blood flow into the penis. However, it only works if there is sexual stimulation. You can not get erection by just taking a pill.

Viagra is available online easily. This option has made it very convenient for men who feel embarrassed asking for a treatment for erectile dysfunction. However, before you get Viagra, it is important you have all the information about its side effects and other aspects.

There are few common side effects of Viagra which include headache, facial flushing, and upset stomach. The less common side effects of Viagra are bluish vision, blurred vision and sensitivity to light. Go to your doctor if you have pain or tingling in your chest, arms, neck or jaw during sexual activity. They could be certain rare side effects of Viagra.

Viagra is the first impotence treatment medicine. It has proven its safety over a decade. Many men taking Viagra for years have not complained of any problems because of it. This is why Viagra is a preferred as an impotence treatment over other medications.