Vardenafil is primarily metabolized by CYP3A4/5; delavirdine is a strong CYP3A4 inhibitor. Deutetrabenazine: (Moderate) Consider the potential for additive
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QT effects if vardenafil is administered with deutetrabenazine.
| Study/Survey | Percentage of Effectiveness | Notes |
|---|---|---|
| Clinical trial A | 76% | Improved erectile function |
| Real-world survey B | 82% | Patient satisfaction |
| Meta-analysis C | 78% | Consistent efficacy |
Deutetrabenazine may prolong the QT interval, but the degree of QT prolongation
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is not clinically significant when deutetrabenazine
Side Effects
Class IA antiarrhythmics are associated with QT prolongation and torsade de pointes (TdP). Therapeutic and supratherapeutic doses of vardenafil produce an increase in QTc interval. The effect of vardenafil on the QT interval should be considered when prescribing the drug. Clofazimine: (Moderate) Concomitant use of clofazimine and vardenafil may increase the risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients. Clozapine: (Moderate) Concomitant use of vardenafil and clozapine may increase the risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients.
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Cobicistat: (Major) Do not use vardenafil orally disintegrating tablets with cobicistat due to increased vardenafil exposure; do not exceed a single dose of 2.5 mg per 72-hour period of vardenafil oral tablets. Codeine; Phenylephrine; Promethazine: (Moderate) Concomitant use of promethazine and vardenafil may increase the risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients. (Minor) The therapeutic effect of phenylephrine injection may be decreased in patients receiving phosphodiesterase inhibitors. Codeine; Promethazine: (Moderate) Concomitant use of promethazine and vardenafil may increase the risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients. Conivaptan: (Major) Do not use vardenafil orally disintegrating tablets with conivaptan due to increased vardenafil exposure; do not exceed a single dose of 5 mg per 24-hour period of vardenafil oral tablets. is administered within the recommended dosage range.
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Dexmedetomidine: (Moderate) Concomitant use of dexmedetomidine and vardenafil may increase the
| Precaution | Rationale |
|---|---|
| Cardiovascular health assessment | Risk of cardiac events |
| Alcohol consumption | Can impair effectiveness or increase side effects |
| Use with caution in elderly | Altered pharmacodynamics |
| Underlying vision issues | Rare visual side effects |
risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients.
More about Levitra (vardenafil)
Vardenafil is primarily metabolized by CYP3A4/5; danazol is a moderate CYP3A4 inhibitor. Darunavir: (Major) Do not use vardenafil orally disintegrating tablets with darunavir due to increased vardenafil exposure; do not exceed a single dose of 2.5 mg per 72-hour period of vardenafil oral tablets. Vardenafil is primarily metabolized by CYP3A4/5; darunavir is a strong CYP3A4 inhibitor. Coadministration with other strong CYP3A4 inhibitors increased the AUC of vardenafil by 10- to 16-fold. Darunavir; Cobicistat: (Major) Do not use vardenafil orally disintegrating tablets with cobicistat due to increased vardenafil exposure; do not exceed a single dose of 2.5 mg per 72-hour period of vardenafil oral tablets.
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(Major) Do not use vardenafil orally disintegrating tablets with darunavir due to increased vardenafil exposure; do not exceed a single dose of 2.5 mg per 72-hour period of vardenafil oral tablets. Darunavir; Cobicistat; Emtricitabine; Tenofovir alafenamide: (Major) Do not use vardenafil orally disintegrating tablets with cobicistat due to increased vardenafil exposure; do not exceed a single dose of levitra price list 2.5 mg per 72-hour period of vardenafil oral tablets. Dasatinib: (Moderate) Concomitant use of vardenafil and dasatinib may increase the risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients. Degarelix: (Moderate) Concomitant use of vardenafil and androgen deprivation therapy (i.e., degarelix) may increase the risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients. Delavirdine: (Major) Do not use vardenafil orally disintegrating tablets with delavirdine due to increased vardenafil exposure; do not exceed a single dose of 2.5 mg per 24-hour period of vardenafil oral tablets. Dextromethorphan; Diphenhydramine; Phenylephrine: (Minor) The therapeutic effect of phenylephrine
Trial summary
Vardenafil is primarily metabolized by CYP3A; conivaptan is a moderate CYP3A inhibitor. Crizotinib: (Major) Do not use vardenafil orally disintegrating tablets with crizotinib due to increased vardenafil exposure; do not exceed a single dose of 5 mg per 24-hour period of vardenafil oral tablets. Vardenafil is primarily metabolized by CYP3A4/5; crizotinib is a moderate CYP3A4 inhibitor. In addition, vardenafil is associated with QT prolongation. Both therapeutic and supratherapeutic doses of vardenafil may produce an increase in QTc interval.
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Crizotinib has also been associated with concentration-dependent QT prolongation. Monitor ECGs and electrolytes if crizotinib and vardenafil oral tablets are used together. Cyclosporine: (Major) Do not use vardenafil orally disintegrating tablets with cyclosporine due to increased vardenafil exposure; do not exceed a single dose of 5 mg per 24-hour period of vardenafil oral tablets. Vardenafil is primarily metabolized by CYP3A4/5; cyclosporine is a moderate CYP3A4 inhibitor. Danazol: (Major) Do not use vardenafil orally disintegrating tablets with danazol due to increased vardenafil exposure; do not exceed a single dose of 5 mg per 24-hour period of vardenafil oral tablets. injection may be decreased in patients receiving phosphodiesterase inhibitors.
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Berotralstat: (Major) Do not use vardenafil orally disintegrating tablets with berotralstat due to increased vardenafil exposure; do not exceed a single dose of 5 mg per 24-hour period of vardenafil oral tablets. Vardenafil is primarily metabolized by CYP3A4/5; berotralstat is a moderate CYP3A4 inhibitor. Bismuth Subcitrate Potassium; Metronidazole; Tetracycline: (Moderate) Concomitant use of metronidazole and vardenafil may increase the risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients. Bismuth Subsalicylate; Metronidazole; Tetracycline: (Moderate) Concomitant use of metronidazole and vardenafil may increase the risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients. Brompheniramine; Dextromethorphan; Phenylephrine: (Minor) The therapeutic effect of phenylephrine injection may be decreased in patients receiving phosphodiesterase inhibitors.
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Brompheniramine; Phenylephrine: (Minor) The therapeutic effect of phenylephrine injection may be decreased in patients receiving phosphodiesterase inhibitors. Buprenorphine: (Major) Concomitant use of vardenafil and buprenorphine increases the risk of QT/QTc prolongation and torsade de pointes (TdP). Buprenorphine; Naloxone: (Major) Concomitant use of vardenafil and buprenorphine increases the risk of QT/QTc prolongation and torsade de pointes (TdP). Cabotegravir; Rilpivirine: (Moderate) Concomitant use of vardenafil and rilpivirine may increase the risk of QT/QTc prolongation and torsade de pointes (TdP) in some patients. The degree of QT prolongation associated with rilpivirine is not clinically significant when administered within the recommended dosage range; QT prolongation has been described at 3 times the maximum recommended dose. Dextromethorphan; Guaifenesin; Phenylephrine: (Minor) The therapeutic effect of phenylephrine
- Levitra was one of the first medications introduced for erectile dysfunction.
- Its mechanism involves relaxation of smooth muscle in penile tissue.
- Men should avoid taking Levitra with heavy meals to ensure rapid action.
- The medication’s safety profile is well-documented in scientific literature.
- Levitra may be prescribed alongside other therapies for ED management.
- Regular medical check-ups are recommended during treatment.
- Patients should be aware of potential drug interactions with Levitra.
- Avoid combining Levitra with recreational drugs, especially stimulants.
injection may be decreased in patients receiving phosphodiesterase inhibitors.
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Chlorpheniramine; Dextromethorphan; Phenylephrine: (Minor) The therapeutic effect of phenylephrine injection may be decreased in patients receiving phosphodiesterase inhibitors. Chlorpheniramine; Dihydrocodeine; Phenylephrine: (Minor) The therapeutic effect of phenylephrine injection may be decreased in patients receiving phosphodiesterase inhibitors. Chlorpheniramine; Phenylephrine: (Minor) The therapeutic effect of phenylephrine injection may be decreased in patients receiving phosphodiesterase inhibitors. Chlorpromazine: (Major) Concomitant use of vardenafil and chlorpromazine increases the risk of QT/QTc prolongation and torsade de pointes (TdP). Ciprofloxacin: (Major) Do not use vardenafil orally disintegrating tablets with ciprofloxacin due to increased vardenafil exposure; do not exceed a single dose of 5 mg per 24-hour period of vardenafil oral tablets.
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Vardenafil is primarily metabolized by CYP3A and ciprofloxacin is a moderate CYP3A inhibitor. Cisapride: (Contraindicated) Avoid concomitant use of vardenafil and cisapride due to an increased risk for torsade de pointes (TdP) and QT/QTc prolongation. Citalopram: (Major) Concomitant use of citalopram and vardenafil increases the risk of QT/QTc prolongation and torsade de pointes (TdP). Clarithromycin: (Major) Do not use vardenafil orally disintegrating tablets with clarithromycin due to increased vardenafil exposure; do not exceed a single dose of 2.5 mg per 24-hour period of vardenafil oral tablets. Class buy levitra online canadian pharmacy IA Antiarrhythmics: (Major) Vardenafil should be avoided in patients taking Class IA antiarrhythmics (disopyramide, procainamide, and quinidine). Dextromethorphan; Quinidine: (Major) Vardenafil should be avoided in
- Levitra may cause visual disturbances such as blurred vision in rare cases.
- Men taking medication for prostate issues should discuss Levitra with a doctor.
- It is essential to inform a doctor of any underlying health conditions before use.
- Levitra does not protect against sexually transmitted infections.
- Alcohol can increase the risk of side effects such as dizziness when using Levitra.
- Sexual health education complements medication therapy for ED.
- Levitra's safety profile has been established through numerous clinical trials.
- Use Levitra as directed; misuse can lead to serious health complications.
patients taking Class IA antiarrhythmics (disopyramide, procainamide, and quinidine).
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Ceritinib: (Major) Do not use vardenafil orally disintegrating tablets with ceritinib due to increased vardenafil exposure; do not exceed a single dose of 2.5 mg per 24-hour period of vardenafil oral tablets. Vardenafil is primarily metabolized by CYP3A; ceritinib is a strong CYP3A inhibitor. Use of vardenafil with other strong CYP3A inhibitors increased the AUC of vardenafil by 10 to 16-fold. There may also be an increased potential for QT prolongation. Vardenafil can produce an increase in QTc interval at both therapeutic and supratherapeutic doses.
What should I do if I miss a dose of vardenafil?
Ceritinib has been reported to cause concentration-dependent QT prolongation. Periodically monitor ECGs and electrolytes during concurrent use of ceritinib and vardenafil oral tablets. Chloramphenicol: (Major) Do not use vardenafil orally disintegrating prescription free levitra tablets with chloramphenicol due to increased vardenafil exposure; do not exceed a single dose of 2.5 mg per 24-hour period of vardenafil oral tablets. Vardenafil is primarily metabolized by CYP3A4/5; chloramphenicol is a strong CYP3A4 inhibitor. Chloroquine: (Major) Concomitant use of vardenafil and chloroquine increases the risk of QT/QTc prolongation and torsade de pointes (TdP).