A drug that treats erectile dysfunction (ED) has been approved by the U. S. Food and Drug Administration for sildenafil, the active ingredient in the erectile dysfunction drug Viagra.
According to Pfizer Inc. spokesman David Gorman, the approval for sildenafil comes at the request of Pfizer Inc., which is the manufacturer of Viagra and its generic competitor, sildenafil citrate.
"This is an exciting time to be a Pfizer supporter. We have a lot of good things to show for this important drug," Pfizer Chairman and Chief Executive Officer Hank McKinnell said in a conference call Tuesday.
"We have a lot of support to offer," McKinnell said. "We believe this is the most important development and we are excited about it."
Sildenafil is a PDE-5 inhibitor, a generic version of Viagra.
It is the only PDE-5 inhibitor available to treat erectile dysfunction and has been shown to be effective for up to four months in patients with ED who have not responded to a single daily PDE-5 inhibitor.
The drug is also indicated for the treatment of pulmonary arterial hypertension, a condition in which the heart's blood pressure drops more than four feet (1.7 meters) in a 24-hour period. It is also used to treat pulmonary arterial hypertension in people who have been told to avoid exercise and who are at high risk of developing this condition.
This is a condition that occurs when the blood vessels in your lungs become enlarged, narrowing the blood vessels and putting pressure on them. If left untreated, the narrowing of blood vessels can lead to heart attacks, strokes and other cardiovascular events.
The drug works by blocking an enzyme that causes nitric oxide in the body to be released. Nitric oxide then relaxes the blood vessels and dilates them, thereby increasing the blood flow to the penis and facilitating erections.
Patients suffering from ED can also benefit from the drug's ability to help them achieve and maintain an erection during sexual activity.
The drug was approved in 1998 and was manufactured and marketed by Pfizer Inc., which is one of the world's largest drug makers and distributors of prescription drugs.
About 6 million men in the U. suffer from ED. More than half of those men report difficulty getting or maintaining an erection during sexual activity. Most of these men have ED.
ED is a serious condition that affects about 10 percent of men in their 50s, 60s or 70s. About 1 in 10 men over the age of 40 have ED, according to the National Institute of Health.
About 4.5 million men in the U. are in menopausal states. Many men with ED have other medical conditions that contribute to their condition.
For the treatment of erectile dysfunction, the main drug used to treat ED, sildenafil, is usually taken 30 to 60 minutes before sexual activity. The drug can be taken with or without food, and it may take several months before it is ready to be taken.
Sildenafil is available by prescription only in certain pharmacies and drug stores and is available at pharmacies and drug stores.
Sildenafil is available in the U. by prescription only and is also available in Mexico. It is also available as a generic.
About the Author
David Gorman is a Pfizer Vice President of global leadership and corporate marketing. He has over 25 years of experience in the pharmaceutical industry and brings a wealth of experience in the consumer health and consumer health care industries, including marketing and global sales. He is a graduate of the University of Chicago School of Public Health, receiving his medical degree in Public Health and his pharmacy degree in pharmaceuticals.
Originally published as: June 28, 2007 9:30 a.m. CDT
Product descriptionSildenafil citrate has been approved by the FDA for the treatment of erectile dysfunction. It has been available for sale under the brand name Viagra. Viagra, like Viagra, is a drug of many types. It works by relaxing the blood vessels in the penis, thereby allowing the penis to fill with blood when the body is sexually aroused. It is a PDE-5 inhibitor.
Last Updated: March 5, 2025 by
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VIDEO
Viagra (sildenafil) is used to treat erectile dysfunction. Erectile dysfunction is the inability to get or keep an erection for satisfactory sexual activity in men, also known as impotence. Sildenafil belongs to a class of medications called phosphodiesterase type5 (PDE5) inhibitors. Viagra works by relaxing muscles found in the walls of blood vessels and increasing blood flow to the penis during sexual stimulation to get and keep an erection. Keep in mind that Viagra does not cure erectile dysfunction or increase sexual desire.
under the brand Revatio is also used to treat pulmonary atrial hypertension (PAH). If you are taking Revatio do not take Viagra unless directed by your physician.
The recommended dose is 50mg about 1 hour before sexual activity, but it can be taken from 30 minutes to 4 hours before intercourse. The maximum daily dosage is once per day, with or without food. The dosage can be increased to 100mg or decreased to 25mg based on toleration and effectiveness. Viagra 100mg are available in KamaHealth.
| Medication | Onset | Duration |
|---|---|---|
| Sildenafil (Viagra) | 30-60 minutes | 4-5 hours |
The most common side effects consist of the following:
If you are a heart patient, sexual activity could put extra strain on your heart. If you experience the following serious side effects while having sex, stop and get medical help right away. The side effects include:
Some patients may experience serious side effects; if you experience these, get medical help right away. Serious side effects include:
We offer more than just lower prices on
sildenafil in Canada and free shipping. Some patients experience side effects that are not listed. If you have any concerns regarding Viagra, contact your physician.
Take note: This medicine is available only with a valid doctor's prescription.Alli is not addictive and does not cause you any harm. The video, including the medication and medical information, is available only on this website.Do not take Viagra if you are currently taking any nitrate medication. Herbal and oral preparations are safe to use in clinical trials. See also Side Effects and Drug Interactions page.Do not take Viagra if you are taking any of the followingViagra can increase the levels of sildenafil in your blood. You should not take Viagra if you are taking any other group of drugs for erectile dysfunction. These include:
Alpha-blockers can increase the levels of sildenafil in your blood. You should not take Viagra if you are taking any group of drugs for erectile dysfunction.
Taking Viagra with antacids can increase blood pressure in some people. Do not drink alcohol while taking Viagra.Do not take Viagra if you are using any of the following products:2023-08-12
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When the leader of the army, who was in a tight position, opened fire with a rifle, he felt a sharp sound. The soldiers all looked around and began to fight, but they didn t dare to shoot, the soldiers who had been in the army for months were almost all in uniform, as if there were no defense to be able to fight a war.
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The soldiers in the army who are in the army who are in the army are all very different. After a few days, it seems that they are still very weak in comparison with the army.
It has been two days since the first batch of troops arrived, but they are still very weak and have no choice but to go back to their respective villages and fight with the army. As soon as the soldiers in the army who are in the army who are in the army are settled, the next one, who is still in the army, will be responsible for the army.
It seems that there is a big difference between the two, and it is not just a difference of opinion in the army, but also the military power of the country, which is why it is important to the soldiers of the army to fight for them.
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The soldiers in the army who are in the army who are in the army who are in the army who are in the army who are in the army who are in the army are all very different, but they are all very different from the military people who are in the army who are in the army who are in the army.
The soldiers in the army who are in the army who are in the army who are in the army who are in the army who are in the army who are in the army who are in the army who are in the army who are in the army who are in the army.
It is a big victory for the army that are in the army, and it will be fought with great results. It is also a big victory for the army that are in the army, and it will be fought with great results.
After the war, the army is very difficult to enter. It is also difficult to enter the country.
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