Medications Prescribed: Viagra, Cialis, Cialis Daily, Levitra, tadalafil, .Its effects often last for 4 to 5 hours. Erectile dysfunction can be caused by a variety of factors , including age, cardiovascular problems, diabetes, and other conditions that affect nerve function or blood flow. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Medicines that you take by mouth are called oral medicines. Sildenafil Viagra. There’s an important point to understand for those wondering how much is Viagra going to cost these days and looking at prices offered online. Lastly, there’s the role of inequalities between the amount of plan coverage many men have with their health plans.Oral medicines for ED usually work well and cause few side effects. The . Medications Prescribed: Viagra, Cialis, Cialis Daily, Levitra, tadalafil, .Then there’s the pharmacy’s mark up on it, which again tends to be higher than for other products that don’t sell as well. Your health information should remain between your provider and yourself. These include itraconazole Sporanox, Tolsura , ketoconazole Extina, Ketozole, others and ritonavir Norvir. It depends on the platform and insurance provider. People with heart conditions should never take ED medications without consulting a doctor. Kidney disease that needs to be treated with dialysis.