Consumer Medicine Information: Levitra: Advice for patients, from New Zealand Medicines and Medical Devices Safety Authority.
FDA Approves New Drug for Treatment of Erectile Dysfunction in Men: Press release announcing US FDA approval of Levitra.
Health Professionals Data Sheet: Levitra (Vardenafil): Detailed prescribing information from New Zealand Medicines and Medical Devices Safety Authority.
Levitra: Full prescribing information from RxList.
Levitra - Erectile Dysfunction Treatment: Official site for this erectile dysfunction medication. Includes clinical information about the drug and an online prescription form.
Levitra Consumer Information: US FDA advice on topics including use, dosage, side effects, and drug interactions.
Levitra Talk: Extensive information for patients and health professionals.
Vardenafil - FamilyDoctor.org: Information for patients in English or Spanish.