It depends on the platform and insurance provider. Get started by completing an online visit. Your primary care doctor should always know what medications you’re taking, including ED pills prescribed by another provider. Most erectile dysfunction medications belong to the drug class known as PDE5 inhibitors , which help relax the muscles and increase blood flow to allow for a full erection. Insurance can help you save even more on consultations and medications.Cialis (tadalafil): This ED medication works with the same principle as Viagra, but lasts up to 36 hours. It’s available in mg, 5 mg, 10 mg, and 20 mg tablets. Cialis Daily (tadalafil): This low-dose Cialis works by increasing blood flow to the penis over time, making it easier to have an erection when aroused. You take one or 5 mg. Learn more about Cialis oral. 1. This is a generic drug. The average cost for 30 Tablet(s), 5mg each of the generic (tadalafil) is $ You can buy tadalafil at the discounted price of $ by using the MDRx coupon, a savings of 93%. Even if this drug is covered by Medicare or your insurance, we recommend you compare prices. Generic Cialis, or Tadalafil, is available in several doses in tablet form: milligrams (mg), 5 mg, 10 mg, and 20 mg. Depending on the dose for ED, you can use it as needed before sexual.