How Does Viagra Work and Some More Viagra Facts

Published On February 9, 2023

Updated on November 22, 2023

Written By Jim Carson, PhD - Life sciences

If you are experiencing Erectile Dysfunction, you have likely heard of Viagra. The medicine, which contains Sildenafil as its active ingredient, is a treatment for Erectile Dysfunction.

It aids in attaining and sustaining an erection firm enough for sexual activity.

If you are using Viagra for the first time, you may be curious about how it works.

This article explains the working mechanism of Viagra and other relevant topics.

How does Viagra work

Viagra works by relaxing the muscles in the arteries leading to the penis, thereby improving blood flow. This, in turn, aids in achieving an erection.

To understand Viagra’s working mechanism, it is essential to understand the phenomenon of erections and ED first.

How do erections work

During sexual arousal, the nerve impulses from the brain begin to stimulate the penis. The muscles of the corpora cavernosa relax in response to signals from the brain and local nerves.

They allow the blood to enter and fill the voids. The blood generates pressure in the corpora cavernosa, leading the penis to swell and causing an erection.

To understand the details of getting an erection, read an article – A Comprehensive Guide on How to Get an Erection Faster.

How does Erectile Dysfunction happen

The enzyme Phosphodiesterase type 5 (PDE5) stops erectile function by preventing the blood flow in the penis. It also affects the nerve messengers involved in sexual stimulation.

Thus, it leads to Erectile Dysfunction by interrupting the erectile process. Conditions such as Diabetes, Hypertension, Obesity, Atherosclerosis, and heart disease can reduce the blood supply to the penis. Thus, these conditions are some of the leading causes of ED.

How does Viagra work to treat ED

Sildenafil (Viagra) is a member of the class of medicines known as PDE5 inhibitors. These medicines function by blocking the enzyme PDE5, which inhibits erectile function.

Medicines such as Viagra inhibit PDE5 and relax the penis’s muscles and blood arteries. This allows more blood to reach the penis.

The nerves stimulating the penis during sexual arousal increase blood pressure, which aids in erecting the penis. Thus, Viagra aids in achieving an erection.

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How fast does Viagra work

Viagra generally works shortly after you take a tablet. Usually, it takes effect within an hour.

For some, it may work as early as 30 minutes after a dose. But in rare cases, it could take 4 hours to produce results.

How does Viagra work best?

Viagra might work better and faster when you take it on an empty stomach. Experts suggest avoiding eating a high-fat meal before taking Viagra.

Consuming high-fat meals before taking Viagra can slow down its absorption rate. Thus, it might delay its effects.

Your doctor may suggest taking Viagra with a light meal, though. It is best to follow a medical expert’s advice.

To get the maximum benefits of Viagra, read the article – “How to Use Viagra For Best Results? Know What to Avoid“.

Note:

All PDE5 inhibitors do not get affected by a high-fat meal. Tadalafil is an ED Pill whose absorption does not get delayed by fatty meals.

How long does Viagra last

Viagra has a half-life of around 4 hours. Depending on your dose, its effects may last 3 to 5 hours.

Viagra typically works best an hour after you take a dose. After that, the body slowly starts eliminating the contents of the drug.

Although Viagra can remain in your body for over four hours, your erection will not last that long.

However, people with penile deformities, sickle cell anemia, or leukemia may experience painful erections that last for more than four hours. This condition of experiencing prolonged erection is known as Priapism.

Warning:

Priapism is a condition which permanently damages the erectile tissue. Thus, if you experience this issue, contact a doctor immediately.

Read the article “How Long Does Viagra Last: Effect and Working” to get a better understanding of the duration of action of Viagra.

The bottom line

Viagra is a notable method of treating impotence. It works by boosting blood flow to the penis. Typically, it begins to function between 30 and 60 minutes after a dose.

If Viagra does not work for you, consult a healthcare professional. You may need to increase your Viagra dosage or try different Erectile Dysfunction treatments.

Frequently Asked Questions

Does Viagra work for the first time?

Viagra may not work for everyone the first time as you may not know how to take it.
Remember that you need to experience sexual stimulation to get an erection.
You may increase arousal by engaging in foreplay. Also, the medicine might work better if you take it an hour before intercourse.

How do you know when Viagra is working?

Viagra generally starts working 30 to 60 minutes after a dose. In some cases, it may take longer.
You can tell the medicine is working if you can achieve an erection during sexual stimulation within four hours of taking Viagra.
You may need to consult a doctor if the medicine has yet to work even after four hours.

Does Viagra help your erection last longer?

Yes, Viagra helps your erections last longer. The medicine enables you to achieve and maintain an erection. Thus, it may help you maintain an erection longer than before.

Citations:
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