Advice for patients, from New Zealand Medicines and Medical Devices Safety Authority.

Press release announcing US FDA approval of Levitra.

Detailed prescribing information from New Zealand Medicines and Medical Devices Safety Authority.

Full prescribing information from RxList.

Official site for this erectile dysfunction medication. Includes clinical information about the drug and an online prescription form.

US FDA advice on topics including use, dosage, side effects, and drug interactions.

Extensive information for patients and health professionals.

Information for patients in English or Spanish.