citrate was created in 1989 by British scientists Albert Wood and Peter Dunn as a possible for hypertension and angina; conditions associated with coronary heart disease. In 1991 Dr. Nicholas Terrett, now often referred to as the father of , was named in the British patent for the drug as a heart medication. And though Pfizer’s early trials of the drug in the 1990s did not prove its efficacy as a heart medication, patients who took part in the clinical trials reported increased erections after taking sildenafil. Separate studies provided more information on the biochemical process that causes erections, which helped scientists understand how sildenafil could enhance the effects of sexual stimulation and open up blood vessels in the penis. Sildenafil was then studied in men with erectile dysfunction, and in 1998 it was approved by the FDA specifically for of ED.

What is the Difference between Viagra and ?

Viagra is a brand name for medication that contains sildenafil for treatment of in men.

Both brand-name viagra and generic sildenafil contain the same ‘active’ ingredient, sildenafil.

The components that ‘glue’ the pill together, called ‘carrier’ are different in the two medications.

The generic compound contained in brand name Viagra is sildenafil. After Pfizer’s patent on Viagra ended in 2003, sildenafil is manufactured by pharmaceutical companies around the world and offered at prices that are 75-90% lower than the brand name version. The active ingredient in both generic sildenafil and brand name Viagra is the same.

It difficult for the FDA to monitor the quality of medications manufactured outside the United States. If a medication is unusually cheap and has been manufactured overseas, you should be concerned about its efficacy and safety.

In the United States, Viagra is still patented; generic sildenafil is available for treatment of pulmonary hypertension but not for treatment of ED in men. Generic Viagra for treatment of ED will become available in the US in December of 2017.

Sildenafil vs Viagra

Does Viagra Work the Same as Generic Sildenafil?

The active ingredient, sildenafil nitrate, the part that makes the medication work is the same in Viagra and generic Viagra preparations. As long as both are FDA approved, you can be assured that they have the same active ingredients.

What is More Effective Viagra or Sildenafil?

For most men, both Viagra and generic version of Viagra, sildenafil are equally effective. A small number of men find that generic version of medication may not be as effective as the brand name.

Are Side Effects Different or the Same with Viagra and Generic Viagra, Sildenafil?
Most men experience similar side effects to both Viagra and its generic version, sildenafil that is produced by other companies. Some men find generic medications cause side effects that were not present when they took Viagra. This is usually as a result of a different ‘carrier’ component present in generic and brand name versions of the medication.

What is Less Expensive?

If price is a concern, you can talk to your doctor about taking generic sildenafil. It is important to take medication manufactured by a reputed company that is subject to FDA regulations. In the US, Teva Pharmaceuticals has been granted FDA approval in March 2016 to manufacture generic sildenafil in the 25 mg, 50 mg, and 100 mg tablet form. It is expected to become available in the US in December 2017.

Generic medications are usually less expensive than brand name medications. You can expect to save anywhere from 15-85% off with generic Viagra.

The Bottom Line: Viagra or Generic Sildenafil

Both Viagra and generic sildenafil are safe and effective treatment options. Most men do not feel that there is any difference between the two.

If you’re one of the small number of men who have side effects to generic sildenafil but not to Viagra, it is a good idea to switch to Viagra. Similarly if you switch from Viagra to generic Viagra (Sildenafil) and you find that the generic version does not work as well, you should go back to Viagra.

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