Safety Information

When used as needed, it takes approximately 30 to 45 minutes to work and lasts up to 36 hours on average, with a maximum of 72 hours.

• Vardenafil requires a prescription; self-medicating is unsafe.
• Take Levitra approximately 60 minutes before intimacy.
• Do not take more than one dose per 24 hours.
• Symptoms like priapism need immediate medical attention.
• Levitra may cause nasal congestion or upset stomach.
• Combining vardenafil with other ED drugs increases risks.
• Alcohol can hinder the effectiveness of Levitra.
• Levitra is designed for occasional use, not daily.
• Precautions include monitoring for vision changes.
• Seek medical advice if you experience allergic reactions.

When used daily, tadalafil can help treat ED long term.8 Both vardenafil and tadalafil have been clinically proven to help men with ED improve sexual function. In clinical studies, vardenafil has been shown to be effective for erectile dysfunction in 71% of men under the age of 45, 76% of men aged 45-64, and 85% of men over 65.9 In clinical studies of tadalafil, 82% of men with an average age of 59 reported improved erections after taking tadalafil for 12 weeks.10 Common side effects of vardenafil include:11 Common side effects of tadalafil include:12 Pain in the stomach, back, muscles, arms or legs. Pain in the stomach, back, muscles, arms or legs.

Implications of the review for practice and research

Its effects last up to 36 hours and may extend to 72 hours. Clinical trials show vardenafil improved ED symptoms in up to 85% of users, while tadalafil helped about 82% after 12 weeks. Vardenafil is a generic version of the drug Levitra® and belongs to the class of medications called phosphodiesterase (PDE) inhibitors. It is prescribed to treat erectile dysfunction and works by increasing blood flow to the genitals.1 The average recommended dose is 10 mg, taken approximately one hour before sexual activity.2 The effects of vardenafil can last anywhere from five to seven hours.3 It is not recommended to take more than one dose of vardenafil within a 24-hour period.4 Tadalafil, a generic of Cialis®, belongs to the class of medication called PDE inhibitors and is prescribed to treat erectile dysfunction. It works by increasing blood flow to the genitals.5 There are two ways to take tadalafil – daily or as needed.

Contraindications for Levitra and Stendra?

A common daily dose is 2.5 mg to 5 mg once a day. The as-needed dosage is 10 mg to 20 mg, approximately 30 to 45 minutes before sexual activity.6 The effects of tadalafil can last up to 36 hours.7 While both vardenafil and tadalafil are PDE inhibitors, they work differently. Vardenafil is used as needed approximately 60 minutes before sexual activity. It lasts from five to seven hours on average, with a maximum of 12 hours. Tadalafil can be used either daily or as needed. Get secure, private treatment online from RedBox Rx with FDA-approved meds starting at $1 per pill. PDE inhibitors like vardenafil and tadalafil can cause complications when mixed with heart medications, especially nitrates or antiarrhythmics.13 Before taking a PDE inhibitor, always talk to your provider about any medications or existing conditions. It is not recommended to take vardenafil and tadalafil together. Using these two PDE inhibitors at the same time could cause blood pressure to drop to dangerous levels. It also increases the risk of adverse side effects, including dizziness, lightheadedness, fainting, headache, flushing, heart palpitations, and prolonged or painful erections.14 The average cost of vardenafil is $30 for two 20 mg tablets.15 RedBox Rx has vardenafil starting at $3 per tablet. The average cost for tadalafil can be anywhere from $12 to $70 per tablet.16 RedBox Rx has tadalafil starting at $1 per tablet.

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

There are no PDE inhibitors like vardenafil or tadalafil available over the counter.

Product	Dosage	Quantity + Bonus	Price
Levitra Generic	20mg	60 + 6 Pills	131.11€ 124.87€	Buy
Levitra Generic	20mg	120 + 10 Pills	224.15€ 213.48€	Buy
Levitra Generic	60mg	120 + 8 Pills	372.33€ 354.60€	Buy
Levitra Generic	20mg	20 Pills	52.63€ 50.12€	Buy
Levitra Generic	10mg	90 + 8 Pills	150.58€ 143.41€	Buy
Levitra Generic	40mg	90 + 6 Pills	234.73€ 223.55€	Buy
Levitra Professional	20mg	270 + 6 Pills	738.98€ 703.79€	Buy
Levitra Generic	40mg	30 + 2 Pills	93.58€ 89.12€	Buy
Levitra Original	20mg	14 + 2 Pills	102.27€ 97.40€	Buy
Levitra Generic	20mg	30 + 4 Pills	70.59€ 67.23€	Buy
Levitra Generic	40mg	20 Pills	67.56€ 64.34€	Buy
Levitra Professional	20mg	60 + 2 Pills	223.11€ 212.49€	Buy

Do not trust a source that promises nonprescription versions of vardenafil or tadalafil.17 RedBox Rx makes obtaining a prescription for ED, like vardenafil or tadalafil, easy and affordable.

Section snippets

Vardenafil (generic Levitra) is an effective, affordable treatment for erectile dysfunction that works by improving blood flow to the penis. It offers a flexible, on-demand dosing option that works within 30–60 minutes and is generally well-tolerated with mostly mild side effects. However, it's not suitable for men taking nitrates or those with serious heart conditions, and drug interactions require careful attention. Starting with a standard 10 mg dose and adjusting based on response is typical, though individual needs vary. Generic vardenafil provides the same therapeutic benefit as brand-name Levitra at significantly lower cost, making ED treatment more accessible.

J. Urol.

If you're considering vardenafil levitra 5mg online or want to explore treatment options tailored to your health needs, Doctronic's AI-powered consultation service can help you understand your options quickly and affordably. With 22M+ consultations and 99.2% treatment alignment with physicians, Doctronic is the first AI legally authorized to practice medicine. Get a free AI consultation or schedule a $39 video visit or $19 text visit with a real doctor—available 24/7 with just a 4-minute wait. Ready to take control of your health? Treating erectile dysfunction (ED) with medication can provide hope and improve symptoms, giving you greater control over your health and intimate relationships.

ED Prescriptions for $1-2 Per Pill

Among the various ED medications available, vardenafil (Levitra®) and tadalafil (Cialis®) are two leading choices. Discover how these medications work, their similarities and differences, and which one might be the best fit for you. Vardenafil and tadalafil are prescription PDE5 inhibitors that treat symptoms of ED by increasing blood flow, but they differ in how long they last and how they are dosed.•Vardenafil is taken as needed about 60 minutes before sexual activity. Its effects last five to seven hours and may extend to 12 hours. Tadalafil can be taken daily or as needed about 30 to 45 minutes before sexual activity. Transparent, affordable, flat rates for ED medications starting at $1 per tablet.

Brand Name	Active Ingredient	Medication Type	Typical Dosage	Available Forms
Levitra	Vardenafil	PDE5 Inhibitor	5 mg, 10 mg, 20 mg	Tablets
Staxyn	Vardenafil ODT	PDE5 Inhibitor	10 mg	Orally Disintegrating Tablets
Vidalista	Tadalafil (comparison)	PDE5 Inhibitor	2.5 mg, 5 mg, 10 mg	Tablets

Free consultations with a U.S. licensed medical professional.

• 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.

No office wait times or scheduling issues typical with physical medical practices.

• Vardenafil Levitra is a prescription medication for erectile dysfunction.
• It works by increasing blood flow to the penis.
• Vardenafil is marketed under the brand name Levitra.
• It typically takes about 25-60 minutes to work.
• The effects of vardenafil last up to 4-5 hours.
• It should be taken on an empty stomach for faster results.
• Common side effects include headache and flushing.
• Vardenafil is contraindicated with nitrates.
• Do not consume alcohol with vardenafil.
• Always follow your doctor's dosage instructions.

Start your treatment today with our ED assessment and free online consultation. Levitra (vardenafil) remains one of the most recognizable names among erectile dysfunction (ED) medications, yet the brand itself has been marked as officially discontinued in several major markets, including the United States. This discontinuation often leads to confusion, with some users assuming that the drug was removed for safety or efficacy concerns.

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

In reality, the reason is far simpler: business strategy and market dynamics, not medical risk. According to public sources, historical product documentation from Bayer, and legal reporting on FindLaw, the discontinuation of brand-name Levitra reflects a familiar pattern seen across many pharmaceutical markets.

Frequently Asked Questions

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. Alcohol can also worsen erectile dysfunction independently.

Safety and efficacy of vardenafil for the treatment of men with erectile dysfunction after radical retropubic prostatectomy

Avoid heavy alcohol consumption when using vardenafil, and discuss safe drinking limits with your doctor if you regularly use alcohol. Yes, generic vardenafil contains the identical active ingredient and works exactly the same way as brand-name Levitra. Generic vs brand-name drugs are equally effective, with the main difference being cost. Regulatory agencies require generic medications to meet the same quality and safety standards as brand-name versions, ensuring equivalent therapeutic benefit at a fraction of the price. If vardenafil is ineffective after 2–3 uses, consult your doctor before adjusting doses yourself.

At what dose is Levitra typically prescribed?

Ineffectiveness may result from psychological factors, timing issues (taking it too soon before activity), interactions with other medications, or underlying health conditions. Your doctor may recommend a higher dose, a different PDE-5 inhibitor, or additional evaluation and lifestyle modifications to address ED root causes. Vardenafil is often used by men with diabetes-related erectile dysfunction and is generally considered safe in this population. However, diabetes increases cardiovascular disease risk, making cardiac evaluation even more important before starting treatment. Discuss your diabetes management, blood sugar control, and any complications with your doctor to ensure vardenafil is appropriate for your specific situation. Once the patent window closed and generic vardenafil became widely available, brand sales declined rapidly.

Pros and Cons

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. 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.

Are there any potential serious side effects for Stendra?

Fast onset — Works within 25–60 minutes, allowing for more spontaneous sexual activity compared to some alternatives. 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. Well-tolerated overall — Most side effects are mild, temporary, and manageable without medical intervention. Serious cardiovascular risks — Not safe for men with certain heart conditions or those taking nitrates.

How is vardenafil supplied (dosage forms)?

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