Vardenafil FAQs

Indexing Status
Authors' conclusions
CRD commentary
Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews [Internet].
What are the differences between vardenafil and tadalafil?
Data extraction

Vardenafil can interact with several medications and substances, potentially reducing effectiveness or increasing the risk of side effects. Always inform your healthcare provider about all medications, supplements, and recreational drugs you use before starting vardenafil. Combining vardenafil with nitrates causes a dangerous drop in blood pressure that can lead to fainting, stroke, or heart attack. Never use vardenafil if you take nitrates for chest pain or heart disease. These medications lower blood pressure to treat enlarged prostate or high blood pressure.

Indexing Status

Vardenafil, sold under the brand name Levitra and available as a generic medication, is a phosphodiesterase-5 (PDE-5) inhibitor used to treat erectile dysfunction (ED) in men. The medication works by relaxing smooth muscle tissue in the penis and increasing blood flow, helping men achieve and maintain an erection during sexual stimulation. It does not increase sexual desire and is not effective without sexual arousal. Generic vardenafil contains the same active ingredient as brand-name Levitra and works identically in the body. The main difference is cost—generic vs brand name drugs are equally effective, but generics typically cost far less.

Participants included in the review

Vardenafil is available in tablet form and reaches peak effectiveness within 30 to 60 minutes of taking a dose. Erectile dysfunction affects millions of men and can result from physical conditions (diabetes, heart disease, hormonal imbalances), psychological factors (stress, anxiety), or a combination. Vardenafil addresses the physical mechanism of ED, making it a first-line treatment option. However, it works best as part of a comprehensive approach that may also include lifestyle changes, counseling, or treatment of underlying health conditions. Most men tolerate vardenafil well, with side effects typically mild and temporary. Using them with vardenafil may cause excessive blood pressure reduction, leading to dizziness, fainting, or lightheadedness. Close monitoring by your doctor is essential. These medications slow vardenafil breakdown in your body, increasing drug levels and side effect risk. Your doctor may recommend a lower vardenafil dose or suggest an alternative if you take these drugs.

Product	Dosage	Quantity + Bonus	Price
Levitra Generic	10mg	360 + 10 Pills	407.94€ 388.51€
Levitra Generic	60mg	120 + 8 Pills	372.33€ 354.60€
Levitra Generic	40mg	270 + 10 Pills	561.89€ 535.13€
Levitra Original	20mg	14 + 2 Pills	102.27€ 97.40€
Levitra Soft Tabs	20mg	360 + 20 Pills	682.21€ 649.72€
Levitra Generic	20mg	60 + 6 Pills	131.11€ 124.87€
Levitra Original	20mg	120 + 8 Pills	528.19€ 503.04€
Levitra Generic	40mg	10 Pills	41.37€ 39.40€
Levitra Generic	60mg	30 + 2 Pills	109.43€ 104.22€
Levitra Soft Tabs	20mg	90 + 6 Pills	241.31€ 229.82€
Levitra Generic	20mg	120 + 10 Pills	224.15€ 213.48€
Levitra Generic	60mg	10 Pills	47.42€ 45.16€

Vardenafil can enhance blood pressure-lowering effects, potentially causing low blood pressure. Your doctor may monitor your blood pressure and adjust doses as needed for safety.

Authors' conclusions

Avanafil, with its better-known brand name Stendra, was prescribed to approximately half a million people in the USA during that same year. Avanafil accounts for just under 10% of PDE5 inhibitor prescriptions - another class of drugs used to treat erectile dysfunction. The prevalence of avanafil has seen an increase over recent years due mostly to its fast-acting nature (may work within 15 minutes). However, it's worth mentioning that both medications are considered effective for treating erectile dysfunction and should be selected based on individual health profile and lifestyle needs. Both Levitra (vardenafil) and Stendra (avanafil) have extensive records of usage in patients with erectile dysfunction, supported by numerous clinical studies indicating that they are more effective than placebo treatments.

What are the serious side effects of vardenafil?

In some cases, these drugs might be used together under physician supervision because both work similarly - they inhibit the enzyme PDE5 to increase blood flow to the penis during sexual stimulation. However, due to their different pharmacokinetic profiles, they tend to be prescribed under different circumstances: Levitra has a longer duration of action while Stendra is known for its faster onset. Both drugs are available as generics which represents significant cost savings especially for patients who pay out-of-pocket. Both vardenafil and avanafil may require an adjustment period meaning effects may not be noticeable right away. The side effect profile is similar between the two drugs, both being generally well-tolerated but with common side effects like headache, flushing and nasal congestion. Grapefruit interferes with how your body processes vardenafil, increasing drug levels and side effects. Avoid grapefruit and grapefruit juice while taking this medication. These substances increase heart rate and blood pressure, creating dangerous cardiovascular stress when combined with vardenafil. Avoid all recreational drug use while taking this medication.

CRD commentary

Severe drop in blood pressure — Particularly when combined with certain other medications, leading to dizziness, fainting, or heart problems. Priapism — A prolonged, painful erection lasting more than 4 hours; requires immediate emergency care to prevent permanent damage. Contact your healthcare provider immediately if you experience chest pain, difficulty breathing, sudden vision or hearing changes, or an erection lasting more than 4 hours. These symptoms, while rare, require urgent evaluation. Additionally, notify your doctor if common side effects persist beyond a few hours, worsen over cost levitra costco time, or significantly interfere with your daily life. For a complete overview of what to avoid, review avoid when you're taking vardenafil. Effective for erectile dysfunction — Helps most men achieve and maintain erections suitable for sexual activity when taken as directed.

Levitra is manufactured by Bayer Pharmaceuticals.
It is available in both tablet and generic forms.
The drug can be prescribed for men aged 18 and above.
Levitra's active ingredient is vardenafil hydrochloride.
It helps achieve erections suitable for sexual activity.
Taking fatty meals may delay the drug's onset.
Levitra does not protect against sexually transmitted diseases.
Use with caution if you have heart conditions.
It is essential to inform your doctor of all medications.
Vardenafil does not cure ED; it manages symptoms.

Fast onset — Works within 25–60 minutes, allowing for more spontaneous sexual activity compared to some alternatives.

Condition	Caution	Reason
Use with Nitrates	Contraindicated	Risk of severe hypotension
Severe Liver Impairment	Use with caution	Metabolism may be affected
Heart Disease	Consult doctor before use	Potential cardiovascular risks
Retinitis Pigmentosa	Avoid	Possible risk of vision loss
Hypotension or Hypertension	Caution or avoid	Blood pressure effects

Flexible dosing — Can be taken as needed rather than daily, giving you control over when to use it. Affordable generic option — Generic medications offer cost-effective alternatives to brand-name drugs, making treatment accessible.

Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews [Internet].

As with any medication treating erectile dysfunction, if an erection lasts more than 4 hours or sudden vision loss occurs it’s important for individuals to seek immediate medical help. Molecular mechanisms that could contribute to prolonged effectiveness of PDE5 inhibitors to improve erectile function. Avanafil: A Review of Its Use in Patients with Erectile Dysfunction. Avanafil for the treatment of erectile dysfunction: initial data and clinical key properties. Effect of levitra on sustenance of erection (EROS): an open-label, prospective, multicenter, single-arm study to investigate erection duration measured by stopwatch with flexible dose vardenafil administered for 8 weeks in subjects with erectile dysfunction.

Less common

Vardenafil is a generic medication that treats erectile dysfunction by relaxing blood vessels and increasing blood flow to the penis. Common side effects include headache, flushing, and nasal congestion, while serious side effects are rare but may include vision changes or chest pain. Dosing typically starts at 10 mg taken 25–60 minutes before sexual activity, with adjustments based on effectiveness and tolerance. Vardenafil can interact with nitrates, alpha-blockers, and certain other medications, so always discuss your full medication list with your doctor. Generic vardenafil offers the same effectiveness as brand-name Levitra at a significantly lower cost. Well-tolerated overall — Most side effects are mild, temporary, and manageable without medical intervention.

What are the differences between vardenafil and tadalafil?

Serious adverse reactions are uncommon but require prompt medical attention. Headache — One of the most frequently reported side effects, usually mild and manageable with over-the-counter pain relief. Flushing — Redness and warmth in the face and upper body caused by increased blood flow; typically subsides within a few hours. Nasal congestion — Stuffy nose or sinus congestion occurring in some users; usually temporary and not severe. Indigestion or stomach upset — Mild digestive discomfort that may be reduced by avoiding fatty foods before use.

About Vardenafil Hydrochloride (Levitra®)

Muscle aches — Temporary muscle pain or soreness in the back or limbs that generally resolves within 24–48 hours. Dizziness or lightheadedness — Temporary sensation of unsteadiness, especially if you stand up quickly. Sudden vision loss — A rare but serious condition called non-arteritic anterior ischemic optic neuropathy (NAION); seek immediate medical care if vision changes occur. Sudden hearing loss — Uncommon but possible; manifests as ringing in the ears, muffled hearing, or sudden deafness in one or both ears. Chest pain or pressure — May indicate a serious heart condition; stop use and call 911 or seek emergency care immediately. Serious cardiovascular risks — Not safe for men with certain heart conditions or those taking nitrates.

Data extraction

If you have a history of heart disease, high blood pressure, or other serious health conditions, discuss vardenafil safety with your clinician before use. Important: Do not take vardenafil more than once daily. If you miss a dose, take it when you remember before sexual activity—do not double up. Never stop taking this medication without consulting your doctor, as ED management may require ongoing treatment. If a dose is ineffective, discuss adjustments with your healthcare provider rather than increasing the dose on your own. Drug interactions — Cannot be used with many common medications, limiting options for men on multiple drugs. Rare but serious side effects — Vision loss, hearing loss, and priapism, while uncommon, are potentially permanent if not treated immediately.

Medication	Active Ingredient	Onset of Action	Duration	Typical Dose	Cost
Vardenafil (Levitra)	Vardenafil	25-60 min	Up to 5 hours	10 mg	Moderate
Sildenafil (Viagra)	Sildenafil	30-60 min	4-6 hours	50 mg	Moderate
Tadalafil (Cialis)	Tadalafil	30-60 min	Up to 36 hours	10-20 mg	Higher

Requires sexual stimulation — Does not work without sexual arousal; does not increase desire.

Levitra is available in 10 mg and 20 mg tablets.
The medication is not an aphrodisiac; it enhances ability when sexually stimulated.
Vardenafil is a PDE5 inhibitor class drug.
It can be used by men with diabetes-related erectile issues.
Levitra may cause dizziness; avoid driving after taking.
The medication is approved by the FDA for ED treatment.
Do not use if you have severe liver or kidney problems.
Vardenafil should be stored at room temperature, away from moisture.
It is not suitable for women or children.
Consult your doctor for potential drug interactions.

Temporary effect — Works only for a single sexual encounter; requires a new dose each time. Get answers to common questions about vardenafil and generic Levitra. Vardenafil reaches peak blood levels within 30–60 minutes and has an elimination half-life of 4–5 hours, meaning half the drug leaves your body in that time. Most of the medication is out of your system within 24 hours. However, effects on erectile function typically last 4–5 hours or longer depending on individual factors like metabolism, age, and kidney function. Moderate alcohol use (1–2 drinks) is generally considered safe with vardenafil, but excessive drinking increases the risk of dizziness, low blood pressure, and reduced effectiveness.