Sildenafil Citrate: Research Conclusion

What is Viagra?

Viagra is a revolutionary medication used to treat erectile dysfunction (ED) in men. Approved by the FDA in 1998, it quickly became a household name and one of the most widely prescribed drugs for ED. The active ingredient in Viagra is sildenafil citrate, which belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. Sildenafil works by increasing blood flow to the penis during sexual stimulation, enabling men to achieve and maintain an erection.

Viagra vs. Other ED Medications

While Viagra was the first PDE5 inhibitor on the market, it is not the only option available. Other well-known ED medications include Cialis (tadalafil) and Levitra (vardenafil). All three drugs work in a similar manner by inhibiting PDE5, but they differ in their chemical structure, dosage, and duration of action. Viagra typically takes effect within 30-60 minutes and lasts for 4-5 hours, while Cialis can be effective for up to 36 hours. Levitra falls in the middle, with an onset of action within 30 minutes and a duration of approximately 5 hours.

Dosage and Administration

Viagra is available in three dosage strengths: 25 mg, 50 mg, and 100 mg. The recommended starting dose is typically 50 mg, taken approximately one hour before sexual activity. Depending on the individual's response and tolerability, the dose may be adjusted up or down. Viagra should be taken orally, with or without food, and should not be taken more than once per day. It is important to follow the dosage instructions provided by your healthcare provider and never exceed the recommended dose.

Potential Side Effects

Like all medications, Viagra can cause side effects, although not everyone experiences them. The most commonly reported side effects include headache, flushing, indigestion, nasal congestion, and impaired vision (blue-tinted vision or sensitivity to light). While most side effects are mild and temporary, some rare but serious side effects may occur, such as sudden vision loss, ringing in the ears, chest pain, irregular heartbeat, and priapism (prolonged and painful erection lasting more than 4 hours). If any of these severe side effects occur, it is crucial to seek immediate medical attention.

Viagra and Overall Health

While Viagra is primarily used to treat ED, it may also offer potential benefits for overall cardiovascular health. Some studies have suggested that PDE5 inhibitors like sildenafil may improve endothelial function, which is crucial for maintaining healthy blood vessels. However, it is important to note that Viagra should not be used as a treatment for heart disease or other cardiovascular conditions without consulting a healthcare provider. Viagra may interact with certain medications, particularly nitrates used to treat chest pain, and should be used with caution in men with certain pre-existing conditions like heart disease, kidney or liver problems, or uncontrolled high or low blood pressure.

Getting a Prescription

To obtain a prescription for Viagra, it is necessary to consult with a licensed healthcare provider, such as a primary care physician, urologist, or other qualified medical professional. During the consultation, the healthcare provider will likely ask about your medical history, current medications, and any symptoms related to ED. They may also perform a physical examination and order laboratory tests to rule out potential underlying causes of ED or other health concerns. If Viagra is deemed an appropriate treatment option, the healthcare provider will provide a prescription with the appropriate dosage and instructions.

Real Patient Stories

Many men who have used Viagra for the treatment of ED have shared their positive experiences and success stories. One common theme is the renewed confidence and improved intimacy with their partners. Several men have reported feeling more relaxed and enjoying a more satisfying sexual life. Others have shared how Viagra has helped them regain a sense of masculinity and self-esteem that was previously impacted by ED. Some patients have praised the convenience of Viagra's relatively short duration of action, allowing them to plan sexual activity around the timing of the pill.

Frequently Asked Questions

How long does Viagra take to work?

Viagra typically starts working within 30-60 minutes after taking it.

How long does the effect of Viagra last?

The effects of Viagra can last for up to 4-5 hours.

Can I take Viagra every day?

Viagra is intended for use as needed and should not be taken more than once per day.

Is Viagra safe for people with diabetes or heart disease?

Viagra may be safe for some individuals with these conditions, but it is essential to consult with a healthcare provider first.

Can Viagra be taken with other medications?

Viagra may interact with certain medications, such as nitrates and alpha-blockers. Provide a complete list of medications to your healthcare provider.

What should I do if I experience side effects from Viagra?

Contact your healthcare provider if you experience any severe or persistent side effects.

Where can I get Viagra?

Viagra is only available with a prescription from a licensed healthcare provider or through legitimate online pharmacies.


This article was written based on data from reputable organizations such as the American Urological Association or the Society of Sexual Medicine of North America.

Educational materials and links were taken from the Viagra manufacturer's website. In addition, support groups and online forums were used to write the article where people could share their experiences and find support.

Another way we ensure better outcomes for you is by offering hands-on training reinforced by exclusive IoT (Internet of Things) technology. Real-time multiple-angle viewing for remote training and attendee playback increases engagement and retention. We’re leapfrogging old training models to create a new, more comprehensive way of learning for the new millennium.

View Our Locations >

Book Your Event Today!!