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Fact Table
| Fact Table | |
|---|---|
| Formula | C23H32N6O4S |
| License | FDA and EMA approved (2003) |
| Bioavailability | ~15% (oral) |
| Legal status | Prescription only (Rx) |
| Chemical Name | 2-{2-ethoxy-5-[(4-ethylpiperazin-1-yl)sulfonyl]phenyl}-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one |
| Elimination half-life | ~4–5 hours |
| Dosage (Strength) | 5 mg, 10 mg, and 20 mg oral tablets (taken as needed before sexual activity) |
| Pregnancy | Category B – Not indicated for use in women |
| Brands | Levitra®, Staxyn® |
| Protein binding | ~95% |
| PubChem CID | 110634 |
| MedlinePlus | a603013 |
| ChEBI | 63628 |
| ATC code | G04BE09 |
| DrugBank | DB00800 |
| KEGG | D08555 |
| Routes of administration | By mouth (oral tablets) |
Levitra is a prescription erectile dysfunction treatment medication that is prescribed for men who have difficulty with achieving and maintaining an erection despite sexual stimulation. The active ingredient in the medication – Vardenafil – works vascularly to improve blood flow into the penis and provided the medication is taken sufficiently in advance of the onset of intimate relations between the man and his partner it will allow him to participate more normally in this regard. ED treatment medications often come in a generic equivalent, and Levitra generic can be a good choice for some consumers.
You can buy Levitra online with a prescription and your best price on it will be when you order medication online from Canada and Canpharm.
Directions
Standard Levitra dosage is to take one Levitra 5mg or 10mg tablet 30 minutes before foreseen sexual activity.
Do not exceed dosage regulations; if medication is ineffective you should speak with a doctor again to discuss your erectile difficulties in more detail.
Ingredients
The active ingredient in Levitra is Vardenafil.
Cautions
Let your doctor know of any history of heart problems like heart attack, heart failure, irregular heartbeat or angina, stroke, liver or kidney disease, high or low blood pressure, dehydration, Peyronie's disease, priapism, eye problems like retinitis pigmentosa, sudden decreased vision, or NAION), bleeding disorders, or active stomach ulcers before starting on Levitra.
Effectiveness of medication is dependent on sexual stimulation; use of Levitra will not promote an erection on its own.
Medication use may make you dizzy.
Excessive alcohol consumption will diminish the effectiveness of ED treatment medications.
Smoking harms the body’s vascular capacity and will make it more likely that Levitra is less effective.
Be aware of expiry date for medication.
Interactions
Negative drug interactions may occur between Levitra and other Rx or OTC medications, including nitroglycerin / isosorbide /doxazosin / tamsulosin / itraconazole / ketoconazole / clarithromycin / erythromycin / indinavir / ritonavir / boceprevir / telaprevir / rifampin.
Let your doctor know of all medications you are currently taking before getting a prescription and proceeding to buy Levitra online.
Side Effects
Side effects from using Levitra may occur, and some users may experience headache, flushing, stuffy or runny nose, dizziness, vision changes, blurred vision or increased sensitivity to light. If side effects are seen you may want to stop medication use and meet with your doctor again to discuss ED treatment medication alternatives.
Frequently Asked Questions about Levitra (Vardenafil)
What is Levitra used for?
Levitra is a prescription medication used to treat erectile dysfunction (ED) in men. It works by increasing blood flow to the penis during sexual stimulation, helping to achieve and maintain an erection.
How does Levitra work?
Levitra contains vardenafil, a phosphodiesterase type 5 (PDE5) inhibitor. It relaxes blood vessels in the penis, allowing for improved blood flow when a man is sexually aroused. It does not cause an erection without sexual stimulation.
How should I take Levitra?
Levitra is typically taken orally, about 30 to 60 minutes before sexual activity. It can be taken with or without food but may work faster on an empty stomach. The usual starting dose is 10 mg, and the effects can last up to 4 to 5 hours.
What are common side effects of Levitra?
Common side effects include headache, flushing, stuffy or runny nose, indigestion, dizziness, and back pain. These effects are usually mild and temporary. Rare but serious side effects may include changes in vision, hearing loss, or prolonged erection.
Who should not take Levitra?
Men who take nitrates for chest pain or have severe heart or liver problems should not take Levitra. It’s also not recommended for those with certain eye conditions or low blood pressure. A healthcare provider should evaluate any potential risks before prescribing it.
Can Levitra be taken with alcohol?
While moderate alcohol intake may not interfere with Levitra, excessive alcohol use can increase the risk of side effects such as dizziness or low blood pressure and may also reduce sexual performance.
How long does Levitra take to work and how long does it last?
Levitra usually starts working within 30 to 60 minutes after taking the dose and may remain effective for up to 4 to 5 hours, though this can vary based on individual response and dosage.
Can Levitra be used daily?
Levitra is not intended for daily use. It should only be taken as needed, and never more than once in a 24-hour period. Daily use increases the risk of side effects and is not considered safe.
Is Levitra different from Viagra or Cialis?
Yes, while all three medications treat ED, they differ in how quickly they work and how long they last. Levitra typically works faster than Viagra and has a shorter duration than Cialis. Some men may respond better to one over another based on their individual health and needs.
Does Levitra protect against sexually transmitted infections (STIs)?
No, Levitra does not prevent the spread of STIs, including HIV. It is only intended to treat erectile dysfunction. Safe sex practices, including condom use, are still necessary to reduce the risk of infection.
