Medically reviewed by Alan Lucks | MD, Alan Lucks MDPC Private Practice - New York on December 21st, 2025.
Vardenafil is a medication used primarily to treat erectile dysfunction (ED).
Typical adult doses range from 5mg to 20mg, taken about 60 minutes before sexual activity.
Dosage adjustments may be necessary for certain medical conditions or when taken with specific medications.
Children are generally not prescribed vardenafil because its safety and efficacy have not been established in pediatric use.
Missed doses should not be doubled, and overdose requires immediate medical attention.
Consulting a healthcare provider, such as through telehealth services like Doctronic.ai, ensures safe and personalized dosage guidance.
Vardenafil belongs to a class of medications known as phosphodiesterase type 5 (PDE5) inhibitors. These medications work by enhancing blood flow to the penis, which helps achieve and maintain an erection when sexual stimulation occurs. This mechanism is crucial for men experiencing erectile dysfunction, as it addresses both the physical and psychological aspects of the condition. It's important to note that vardenafil does not increase sexual desire; it simply facilitates the physiological response necessary for an erection.
In addition to its primary use for erectile dysfunction, vardenafil has been studied for other potential applications, including the treatment of pulmonary arterial hypertension, a condition characterized by high blood pressure in the lungs. The medication's ability to relax blood vessels and improve blood flow makes it a candidate for various cardiovascular-related issues. However, any off-label use should be pursued only under the guidance of a qualified healthcare professional to ensure safety and efficacy, especially given the potential interactions with other medications and underlying health conditions.
Typically, vardenafil is taken orally, about one hour before sexual activity. The dose can vary based on individual health factors, response to the medication, and other medications being taken. This guide breaks down the dosage recommendations, adjustments, and safety tips to help you use vardenafil properly.
Form |
Strength |
Typical Adult Dose |
Typical Children’s Dose |
Frequency |
Route |
Maximum Daily Dose |
|---|---|---|---|---|---|---|
Tablet |
5mg, 10mg, 20mg |
5-20mg once daily |
Not recommended |
Once daily, as needed |
Oral |
20mg/day |
The primary indication for vardenafil is ED. The recommended dose ranges from 5mg to 20mg taken orally before sexual activity. The dose can be tailored based on individual response and side effects.
Vardenafil is sometimes studied for other conditions, but these uses are off-label and require close medical supervision. Always follow your healthcare provider's instructions.
For most adult men, the starting dose of vardenafil is 10mg taken about 60 minutes before sexual activity. Depending on effectiveness and tolerability, the dose may be adjusted to a maximum of 20mg or decreased to 5mg.
It is important not to exceed the maximum recommended dose of 20mg per day. Taking more than this can increase the risk of side effects such as headache, dizziness, flushing, or more serious complications.
Vardenafil is not approved for use in children or adolescents. Its safety and effectiveness have not been established in this population. If you have concerns about erectile dysfunction or related issues in younger individuals, consulting a healthcare provider is essential.
Since vardenafil is typically taken as needed rather than on a fixed schedule, missing a dose is usually not a concern. Do not take an extra dose to make up for a missed one. Simply take the medication before the next planned sexual activity.
Patients with moderate liver or kidney impairment may require a lower starting dose, such as 5mg, to reduce the risk of side effects. Dosage adjustments should be made under medical supervision.
Certain medications, especially nitrates or alpha-blockers, can interact dangerously with vardenafil. If you are taking these drugs, your doctor may advise against using vardenafil or suggest a lower dose.
Taking more than the recommended dose of vardenafil can cause serious side effects, including severe hypotension, fainting, or priapism (a prolonged and painful erection). If you suspect an overdose, seek emergency medical help immediately.
Do not use vardenafil if you are advised against it due to heart conditions, a recent stroke or heart attack, or if you are taking nitrates.
Always follow your healthcare provider’s instructions regarding dose and timing.
Inform your doctor about all medications and supplements you are taking.
Avoid excessive alcohol consumption, which can increase side effects.
Store vardenafil tablets at room temperature away from moisture and heat.
Do not share your medication with others.
Vardenafil works best when taken approximately one hour before sexual activity. Its effects can last for up to 4-5 hours, providing a window of opportunity for intimacy without the need for multiple doses.
Taking vardenafil with a heavy or high-fat meal can delay its onset of action, so it is often recommended to take it on an empty stomach or after a light meal for quicker results.
Getting personalized advice on vardenafil dosage is crucial for safety and effectiveness. Doctronic.ai offers fast, AI-powered doctor visits that can help you understand the right dosage for your needs. You can get expert guidance anytime, anywhere, with convenient telehealth video visits under $40.
Doctronic’s AI doctor synthesizes the latest medical research and remembers your health history, providing tailored recommendations. This makes it easier to navigate dosage questions and adjust treatment safely.
Vardenafil is an effective treatment for erectile dysfunction when taken at the right dose and time. Starting with a lower dose and adjusting based on your body's response helps minimize side effects. Avoid exceeding the maximum daily dose and be mindful of interactions with other medications.
For personalized dosage advice and telehealth consultations, consider using Doctronic.ai. Their AI-driven platform combines cutting-edge medical knowledge with accessible care, helping you manage your health confidently.
Vardenafil is usually taken as needed before sexual activity, not daily. Daily use is not typically recommended unless prescribed by your doctor.
If vardenafil is not effective, talk to your healthcare provider. They may adjust your dose or suggest alternative treatments.
Alcohol can increase the risk of side effects like dizziness and lower blood pressure. It’s best to limit alcohol when taking vardenafil.
Vardenafil’s effects can last up to 4-5 hours, but this varies by individual.
Vardenafil is not approved for use in women. Research on its safety and effectiveness for women is limited.
You can consult a licensed healthcare provider through telehealth services like Doctronic.ai for a convenient and affordable evaluation.
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