Effects of Viagra

The effects of Viagra have been studied in a wide variety of men, including those with diabetes, spinal cord injuries, or high blood pressure. These studies have shown Viagra to be effective regardless of the severity or cause of erectile dysfunction, other medical conditions, or race. Long-term studies have shown that up to 88 percent of men report improved erections when taking Viagra. The drug has also been shown to be effective in men who have experienced open heart surgery, radical prostatectomy, or transurethral resection of the prostate (TURP).
  

An Introduction to the Effects of Viagra

Viagra® (sildenafil citrate) is a prescription medication used to treat erectile dysfunction, which is also known as impotence or ED. Viagra has been studied extensively in thousands of men with erectile dysfunction for various reasons. In all studies, Viagra has been shown to help men with erectile dysfunction engage in sexual activity.
 

Specific Effects of Viagra

To gain knowledge about the effects of Viagra, researchers asked men a series of questions about the ability to achieve erections and the ability to maintain an erection after penetration. They were also asked questions about orgasms, desire, satisfaction with intercourse, and overall sexual satisfaction. Improvements in erections were somewhat based on the Viagra dosage, with 63 percent of men on Viagra 25mg, 74 percent of men on Viagra 50 mg, and 82 percent of men on Viagra 100 mg reporting an improvement. One-third to one-half also reported successful intercourse during a four-week period. In other long-term studies, up to 88 percent of people reported that Viagra improved erections.
 

Effects of Viagra for People With Diabetes

Research has been conducted to determine the effects of Viagra on patients with diabetes as well as erectile dysfunction. These research studies also looked at the ability to achieve erections and the ability to maintain an erection after penetration. People took either Viagra 50 mg or Viagra 100 mg. Similar to the results of other studies, in people with diabetes, 57 percent of people reported improved erections, and 48 percent of intercourse attempts were successful.
 
(Effects of Viagra Continued: Page 2)
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;