You are encouraged to report adverse events related to Viatris products by calling U. It might work longer if you have mild to moderate erectile dysfunction. Its effects might last longer if you have mild to moderate ED. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy NAION. An inherited eye disease that affects the retina.The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes muscles in the penis, called nitric oxide. Get drug information. Search for a drug by name or NDC number and get complete drug information. It’s like the printout attached to your refill—only electronic. Help me find my info. Search by name. Search by NDC. Enter medication name (Ex. “Lipitor”). Select your plan below to access your OTC Health Solutions site. A. AbsoluteTotalCare. Aetna Better Health KY Kids. Aetna Better Health KY Period Promise. Aetna Better .