Levitra is useful for treating male impotence anderectile dysfunction and should be used as directed by your doctor. If you are not sure about exact doses, check the extra patient leaflet of medication that is available with Levitra or call your doctor for instructions.
Levitra is usually taken orally with or without food 1 hour before anticipated sexual activity. It is not recommended to take Levitra more frequently than once daily, or as directed by your doctor.
If you forgot to take Levitra and you still want to participate in sexual activity, take it as soon as you remember. Ask your health care provider any questions you may have about using Levitra.
Levitra Safety information
Levitra should not be used if you suspect you are allergic to any ingredient in Levitra. If your doctor advised you to avoid sexual activity because of heart problems (e.g., unstable angina, severe heart failure, low blood pressure, or uncontrolled high blood pressure), follow her advice and do not take Levitra. Please do not take Levitra if you have had a heart attack, stroke, or life-threatening irregular heartbeat within the past 6 months.
Hereditary degenerative eye problems (e.g., retinitis pigmentosa) require you to take Levitra very cautiously.
Rifampin may decrease Levitra's effectiveness.
Severe liver problems or severe kidney problems that require dialysis are direct contra-indications for Levitra.
Do not take Levitra (Vardenafil) if you use these medications:
- nitroprusside, nitrates in any form (e.g., capsule, tablet, ointment, patch), or certain antiarrhythmics (e.g., quinidine, amiodarone);
- drugs called "poppers" (e.g., amyl or butyl nitrate).
Levitra Side effects
Side effects may include dizziness, fainting, vomiting and diarrhea. If you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplements, take an advice of your doctor before taking Levitra. The probability of side effects increase if:
- You are older than 65;
- you have allergies to medicines, foods, or other substances;
- you have blood problems including sickle cell anemia, leukemia, multiple myeloma), or any other condition that may increase the risk of a prolonged erection (priapism);
- you have a deformed penis (e.g., Peyronie disease, cavernosal fibrosis);
- you have a history of heart attack, stroke, a certain type of irregular heartbeat (long QT syndrome), or a family history of long QT syndrome.
Azole antifungals (e.g., itraconazole), macrolide antibiotics (e.g., erythromycin), HIV protease inhibitors (e.g., ritonavir), or telithromycin because they may increase the risk of Levitra's side effects.
