About AvanafilSTENDRA (avanafil) is approved by the FDA for the treatment of erectile dysfunction, or ED, in the U.S. VIVUS, through collaboration arrangements with third parties, intends to market and sell STENDRA in the U.S., and if approved, under the trade name SPEDRA in the EU and other territories outside the U.S. Avanafil is licensed from Mitsubishi Tanabe Pharma Corporation (MTPC). VIVUS owns worldwide development and commercial rights to avanafil for the treatment of sexual dysfunction, with the exception of certain Asian Pacific Rim countries. VIVUS is currently in discussions with potential partners to commercialize STENDRA in the United States and other territories throughout the world. It is recommended that STENDRA should be taken approximately 30 minutes before sexual activity. STENDRA should not be taken more than once per day. For more information about STENDRA, please visit www.Stendra.com . Important Safety Information STENDRA (avanafil) is prescribed to treat erectile dysfunction (ED). Do not take STENDRA if you take nitrates, often prescribed for chest pain, as this may cause a sudden, unsafe drop in blood pressure. Discuss your general health status with your healthcare provider to ensure that you are healthy enough to engage in sexual activity. If you experience chest pain, nausea, or any other discomforts during sex, seek immediate medical help. STENDRA may affect the way other medicines work. Tell your healthcare provider if you take any of the following; medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir (Crixivan), saquinavir (Fortavase or Invirase) or atazanir (Reyataz); some types of oral antifungal medicines, such as ketoconazole (Nizoral), and itraconozale (Sporonox); or some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin. In the rare event of an erection lasting more than 4 hours, seek immediate medical help to avoid long-term injury.