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Patient Experiences with 20 mg Vardenafil Therapy

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Talk to your doctor if you are using marijuana (cannabis).

What should I avoid while using vardenafil?

However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: itching/swelling (especially of the face/tongue/throat) This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. You may report side effects to FDA at 1-800-FDA-1088 or at In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345. Before taking vardenafil, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.

2.2 Patients

This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: heart problems (such as heart attack or life-threatening irregular heartbeat in the past 6 months, chest pain/angina, heart failure) penis conditions (such as angulation, fibrosis/scarring, Peyronie's disease) conditions that may increase the risk of priapism (such as sickle cell anemia, leukemia, multiple myeloma) eye problems (such as retinitis pigmentosa, sudden decreased vision, NAION) This drug may make you dizzy or cause vision changes. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness or clear vision until you can do it safely. Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

Product Dosage Quantity + Bonus Price
Levitra Generic40mg60 + 4 Pills162.37€ 154.64€
Viagra Professional100mg30 Pills88.92€ 84.69€
Viagra Original100mg76 + 4 Pills306.59€ 291.99€
Tadalista Super Active20mg30 + 6 Pills128.09€ 121.99€
Cialis Professional40mg90 + 2 Pills348.59€ 331.99€
Viagra Generic200mg360 + 10 Pills481.98€ 459.03€
Super Kamagra160 mg60 + 4 Pills342.71€ 326.39€
Cialis Soft Tabs20mg20 + 2 Pills66.98€ 63.79€
Viagra Generic25mg270 + 8 Pills184.26€ 175.49€
Kamagra Soft Tabs100 mg60 + 4 Pills180.59€ 171.99€
Viagra Generic25mg30 + 4 Pills47.97€ 45.69€

This medication is not usually used in women.

Conflicts of interest

The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products). Avoid eating grapefruit or drinking grapefruit juice while using this medication unless your doctor or pharmacist says you may do so safely. Grapefruit can increase the chance of side effects with this medicine. Ask your doctor or pharmacist for more details.

Does vardenafil interact with foods or drinks?

Tell your doctor if your condition does not get better. Headache, flushing, stuffy/runny buy tadalista 60 nose, or dizziness may occur. Vision changes such as increased sensitivity to light, blurred vision, or trouble telling blue and green colors apart may also occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position. It is unlikely to be used during pregnancy or breastfeeding.

Precaution Explanation Recommended Action
Cardiovascular Risk Risk of sudden cardiac events Medical evaluation required
Vision Disturbances Rare side effect involving PDE6 Seek medical attention if occurs
Alcohol Consumption May increase side effects Limit or avoid consumption
Renal Impairment Alters drug clearance Dose adjustment possibly needed

Consult your doctor if you have any questions about this medication.

Drug interactions may change how your medications work or increase your risk for serious side effects.

Vardenafil Clinical Trials

Vardenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, vardenafil works by increasing blood flow to the penis to help a man get and keep an erection. This drug does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, syphilis). Using an effective barrier method (latex or polyurethane condom/dental dams) during sexual activity will help to decrease your risk of infection. Read the Patient Information Leaflet if available from your pharmacist before you start taking vardenafil and each time you get a refill.

Serious side effects

If you have any questions, ask your doctor or pharmacist. Take this medication by mouth as directed by your doctor, usually as needed. Take vardenafil, with or without food, about 1 hour before sexual activity. Do not take more than once daily. Doses should be taken at least 24 hours apart. This document does not contain all possible drug interactions.

What is sildenafil (Viagra®)?

Visual problems, such as sudden vision loss, are rare adverse effects of vardenafil and Cialis. Using these medications can also increase the risk of a sudden decrease or loss of hearing. Seek prompt medical attention if you experience these effects. Levitra and Cialis belong to the same class of drugs called PDE5 inhibitors, but they are not the same drugs. These drugs contain different active ingredients and can be used in different ways.

3.3 Efficacy

Cialis is available as a once-daily pill, while Levitra is only taken as needed. Choosing which is better can depend on personal preferences and how often you plan to be intimate. Cialis may work faster and have effects that last longer than vardenafil. In addition, Cialis may be preferred by those who also have BPH or want a once-daily option. It’s best to consult a doctor for medical advice about the best option for you. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist.

What is premenopause?

Taking Levitra or Cialis along with alcohol may increase the chances of side effects. Since alcohol affects blood vessels in a way similar to these medications, you might experience more noticeable symptoms, like flushing and dizziness. While small amounts of alcohol might be okay, drinking too much can make these medications less effective. Talk to a doctor about how much alcohol is safe to drink while using these medicines. There is no single ED drug that is considered the best.

Symptoms of overdose may include:

ED treatment is highly individualized, and thus, the better choice is the one that helps you the most. Price and potential side effects should also be considered when picking an ED drug with your healthcare provider. Erectile dysfunction prevalence in the United States: report from the 2021 National Survey of Sexual Wellbeing, The Journal of Sexual Medicine (2024) Determination that Levitra (vardenafil hydrochloride) tablets, 2.5 milligrams were not withdrawn from sale for reasons of safety or effectiveness, Federal Register (2019) A comparison of the available phosphodiesterase-5 inhibitors in the treatment of erectile dysfunction: a focus on avanafil, Patient Preference and Adherence (2015) Determining the earliest time within 30 minutes to erectogenic effect after tadalafil 10 and 20 mg: a multicenter, randomized, double-blind, placebo-controlled, at-home study, The Journal of Sexual Medicine (2004) Phosphodiesterase-5 (PDE5) inhibitors in the management of erectile dysfunction, Pharmacy & Therapeutics (2013) PDE-5 inhibitors in scleroderma Raynaud phenomenon and digital ulcers: Current status of clinical trials, International Journal of Rheumatology (2011) Phosphodiesterase 5 inhibitors for pulmonary hypertension, Cochrane Database of Systematic Reviews (2019) Phosphodiesterase-5 inhibitors help climbers to achieve new heights, BJUI Internacional (2006) Comparative effectiveness and safety of oral phosphodiesterase type 5 inhibitors for erectile dysfunction: a systematic review and network meta-analysis, European Urology (2013) The effect of phosphodiesterase-type 5 inhibitors on erectile function: an overview of systematic reviews, Frontiers in Pharmacology (2021) Medically accurate: SingleCare’s Medical Review Board analyzes all of our content to confirm it’s in line with current medical advice. Evidence-based: Our content is sourced from reputable U.S.-based healthcare professionals and peer-reviewed research. Trustworthy: All of SingleCare’s content goes through a multi-phase review process by our writers, editors, and Medical Board in order to provide clear and credible information. Do not start, stop, or change the dosage of any medicines without your doctor's approval.

Some products that may interact with this drug are: Vardenafil can cause a serious drop in your blood pressure when used with nitrates, which can lead to dizziness, fainting, and rarely heart attack or stroke. Do not use vardenafil with any of the following: certain drugs used to treat chest pain/angina (nitrates such as nitroglycerin, isosorbide) recreational drugs called "poppers" containing amyl or butyl nitrite If you are also taking an alpha blocker medication (such as doxazosin, tamsulosin) to treat an enlarged prostate/BPH or high blood pressure, your blood pressure may get too low which can lead to dizziness or fainting. Your doctor may start treatment with a lower dose of vardenafil to minimize your risk of low blood pressure.

What happens if I miss a dose?

Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Sexual activity may put extra strain on your heart, especially if you have heart problems. If you have heart problems and experience any of these serious side effects while having sex, stop and get medical help right away: Rarely, sudden decreased vision, including permanent blindness, in one or both eyes (NAION) may occur. If this serious problem occurs, stop taking vardenafil and get medical help right away.

A comprehensive review of erectile dysfunction in men with diabetes

You have a slightly greater chance of developing NAION if you have heart disease, diabetes, high cholesterol, certain other eye problems ("crowded disk"), high blood pressure, if you are over 50, or if you smoke. Rarely, a sudden decrease or loss of hearing, sometimes with ringing in the ears and dizziness, may occur. Stop taking vardenafil and get medical help right away if these effects occur. In the rare event you have a painful or prolonged erection lasting 4 or more hours, stop using this drug and get medical help right away, or permanent problems could occur. Get medical help right away if you have any very serious side effects, including: A very serious allergic reaction to this drug is rare. Other medications can affect the removal of vardenafil from your body, which may affect how vardenafil works.

Region Approximate Cost Notes
North America $10 - $15 Generic versions available
Europe €8 - €12 Brand and pharmacy differences
Asia $2 - $8 Widely available, varies by country
Online Pharmacies $3 - $10 Verify authenticity

Examples include azole antifungals (such as itraconazole, ketoconazole), macrolide antibiotics (such as clarithromycin, erythromycin), ritonavir, among others.

Do not take this medication with any other product that contains vardenafil or other similar medications used to treat erectile dysfunction-ED or pulmonary hypertension (such as sildenafil, tadalafil).