Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Refills: See if you can set up automatic refills or order as needed. The mechanism of action for ED pills is simple: They inhibit the PDE5 enzyme which regulates the signals responsible for the smooth muscle tissue. Adcirca and Alyq are used in men and women to treat pulmonary arterial hypertension PAH and to improve exercise capacity. This is not a complete list of side effects and others may occur. 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.You can ask your insurance company whether Cialis requires prior authorization. Common questions about cost and Cialis Here are answers to some frequently asked questions about drug cost and. Fastest Delivery: Blink Health: Sesame Sign Up Now Key Specs Cost: Consultation prices vary based on the prescriber; $5 generic prescriptions Medical Consultation Required: Yes Medications Prescribed: Viagra, Cialis, sildenafil, tadalafil Generic offered: Yes Why We Chose It. 4 ways to save on Cialis. 1. Check your insurance coverage. Since Cialis is available as a generic, many insurance plans now cover it (to varying degrees). Generally, Medicare 2. Use a GoodRx discount for Cialis. 3. Ask your doctor for a tablet prescription. 4. Talk to your healthcare.