How does Viagra Work?

Studies have shown that most ED is caused by physical health problems. These problems are most commonly high blood pressure, high cholesterol, and diabetes. ED can also be associated with smoking, drinking too much, or stress. Viagra can help with ED caused by these problems. Viagra treats the physical problem of ED by increasing blood flow where you need it.

I don't have erectile dysfunction because the problem doesn't happen often. Does this mean that Viagra isn't for me?
Even if it happens once in a while, it's still ED. Most men with ED have it just some of the time. Viagra has helped about 16 million men around the world with their ED. And Viagra helps treat ED whether it happens often or only once in a while. Viagra works for men who have ED no matter how mild or severe their ED is. If you are taking Viagra, it doesn't mean you have severe ED. Even men who have ED once in a while can benefit from taking Viagra.

What is Viagra?
Viagra is a discreet pill for the treatment of male erectile dysfunction, often called impotence. It is a real breakthrough treatment that can help many men who have erectile dysfunction to get and keep an erection when they are sexually aroused. Viagra (sildenafil citrate) is a breakthrough treatment for male erectile dysfunction or ED, often called impotence. It is a convenient pill you take only when you want to have sex. Viagra helps men with ED get and keep an erection when they become sexually stimulated, either physically or visually. So with Viagra, a touch or a glance from your partner can again lead to something more.

What is ED?
Erectile dysfunction, or ED, is the medical term for impotence. This is when a man is unable to get and or keep an erection that will allow satisfactory sexual intercourse. About 30 million men in the United States suffer from some degree of ED, including about half of all men aged 40 to 70 years.

Studies have shown that most ED is caused by physical health problems. These problems are most commonly high blood pressure, high cholesterol, and diabetes. ED can also be associated with smoking, drinking too much, or stress. Viagra can help with ED caused by these problems. Viagra treats the physical problem of ED by increasing blood flow where you need it.

I don't have erectile dysfunction because the problem doesn't happen often. Does this mean that Viagra isn't for me?
Even if it happens once in a while, it's still ED. Most men with ED have it just some of the time. Viagra has helped about 16 million men around the world with their ED. And Viagra helps treat ED whether it happens often or only once in a while. Viagra works for men who have ED no matter how mild or severe their ED is. If you are taking Viagra, it doesn't mean you have severe ED. Even men who have ED once in a while can benefit from taking Viagra.

How does Viagra work?
Viagra increases blood flow to the penis allowing more blood flow into the penis as occurs naturally when a man is sexually stimulated. With more blood flowing in and less flowing out, the arteries in the penis enlarge resulting in an erection. If this mechanism is not working properly a man has difficulties in having and keeping an erection. See our article on how to get a big penis

Viagra enables many men with ED to respond to sexual stimulation. When a man is sexually excited, the arteries in the penis relax and widen. This allows more blood to flow into the penis. The increased blood flow causes the penis to become hard and erect. The veins that normally carry blood away from the penis then become compressed. This restricts the blood flow out of the penis. With more blood flowing in and less flowing out, the penis enlarges, resulting in an erection.

Sometimes the nerves or blood vessels that are part of this process don't work properly. If this happens, a man may not be able to get an erection. Viagra increases blood flow to the penis, so that when a man is sexually excited, he can get and keep an erection. This can include kissing or touching. Viagra helps blood flow into the penis. But for Viagra to work, there has to be sexual stimulation. Viagra is not an aphrodisiac or a hormone. It's a medicine that treats a physical condition. When the sexual encounter is over, the erection goes away.

Will Viagra work immediately?
No it takes 60 minutes before Viagra starts to work and remains working for up to 4 hours. Viagra is effective in up to 4 of 5 men, it's not effective for everyone. If it doesn't work for you, contact your healthcare provider to discuss other treatment options.

Does Viagra automatically cause an erection?
No. With Viagra, you must be sexually aroused to get an erection. If you take Viagra and are not sexually stimulated, nothing will happen-you won't get an erection just by taking the pill. Viagra is not a hormone. It is not an aphrodisiac. It is a prescription medication that can improve the erectile function of most men with erection problems.

How much Viagra can I take?
Viagra comes in different doses (25 mg, 50 mg, and 100 mg). Like many medications, your healthcare provider may have to adjust your initial Viagra dose if it doesn't produce the desired results or you are bothered by side effects. Do not take more Viagra than your healthcare provider prescribes. Viagra can be used only once a day.
If you are older than 65 years, have a serious liver or kidney problem, or are taking protease inhibitors, such as for the treatment of HIV, your healthcare provider may start you at the lowest (25-mg) dose of Viagra.

How often can I take Viagra?
For most patients, Viagra should be taken once a day as needed. In patients taking certain protease inhibitors (such as for the treatment of HIV), it is recommended to not exceed a maximum single dose of 25 mg of Viagra in a 48-hour period. Viagra (sildenafil citrate) pills are not made to be cut in half. Cutting pills in half is not recommended. No studies have been done to determine if half a pill is effective.

Who should not take Viagra?
Viagra is not for newborns, children, or women. Do not let anyone else take your Viagra. Viagra must be used only under a healthcare provider's supervision.

Can I take Viagra after eating or with alchol?
Viagra can be taken with or without food however taking Viagra after a high-fat meal (such as a cheeseburger and French Fries) may cause the medication to take a little longer to start working.. Drinking alcohol can temporarily impair the ability to get an erection. To get the best results, it is best not to drink large amounts of alcohol before taking Viagra.

Side effects of Viagra
Like all medicines, Viagra can cause some side effects. These are usually mild and don't last longer than a few hours. Some of these side effects are more likely to occur with higher doses of Viagra. With Viagra, the most common side effects are headache, facial flushing, and upset stomach. Viagra may also briefly cause bluish or blurred vision or sensitivity to light. If you experience chest pain, nausea, or any other discomfort during sex, or an erection that lasts longer than 4 hours, seek immediate medical help.

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