Viagra and Sildenafil are two popular drugs used to treat erectile dysfunction (ED). They’re both in a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. These drugs work by relaxing muscles and increasing blood flow to specific areas of the body.

Viagra was the first drug approved to treat ED. It was approved by the U.S. Food and Drug Administration (FDA) in 1998. Sildenafil was approved by the FDA in 2012.

The main difference between Viagra and Sildenafil

The main difference between Viagra and Sildenafil is that Viagra is a brand name while Sildenafil is the active ingredient in Viagra. Viagra is manufactured by Pfizer and Sildenafil is manufactured by different companies.

They both relax muscles but may have different side effects

Viagra and Sildenafil have the same mechanism of action. Both relax muscles and increase blood flow to specific areas of the body for the sexual response.Viagra and Sildenafil are effective in treating ED. However, they may have different side effects.

Viagra may cause side effects such as headache, flushing, upset stomach, and dizziness. Sildenafil may cause side effects such as headache, flushing, and upset stomach.

The recommended dose of Viagra for ED is 50 mg taken one hour before sexual activity. The maximum recommended dose is 100 mg.

If you have any questions or concerns about Viagra, Sildenafil, or your ED, be sure to talk to your doctor.  They can help you figure out which drug is right for you and offer additional tips for managing your ED.