People taking nitrates like nitroglycerin Nitrostat or isosorbide mononitrate Imdur should not take PDE5 inhibitors, as doing so could result in a dangerous drop in blood pressure. People with heart conditions should never take ED medications without consulting a doctor. Is this visit right for me? Refills: See if you can set up automatic refills or order as needed. Follow-up support: Make sure you can get the help you need if questions or concerns arise after ordering. Clinical research has described PDE5 inhibitors like sildenafil Viagra and tadalafil Cialis as “revolutionary” for the treatment of ED. ED risk factors also include obesity, smoking, alcohol use, anxiety, and depression.Amazon Pharmacy: Vardenafil (Generic for Levitra, Oral Tablet).us. Account Returns& Orders. Cart. Transfer your prescription for Vardenafil (Generic for Levitra, Oral Tablet) on Amazon Pharmacy. FREE SHIPPING for Prime members. Vardenafil Tablets · 20mg · 6-day supply With insurance est. $ Estimated insurance price. Final price varies with your insurance. Without insurance $ $ Prime member price, 6-day supply. FREE delivery Prescription Required Vardenafil Orally Disintegrating Tablet · 10mg · 4-day supply $ $ Prime member price, 4-day . Vardenafil (Levitra): Uses, Alternatives, Side Effects & More – GoodRx. feeling faint or weak, dizziness, blurry vision, feeling confused. Erection lasting for more than 4 hours. Headache (up to 15%) Flushing (up to 11%) Stuffy nose (up to 9%) Indigestion (up to 4%) —skin rash,, swelling of the face, lips, tongue, or test1.rug: amazon.