This ensures the medication is always in the person’s system and allows for spontaneous sexual activity without planning dosing times. For this purpose, one dose works for up to 72 hours. Embracing the Future with Cialis The transformative power of Cialis extends far beyond its traditional uses. Tadalafil works for these conditions by promoting muscle relaxation, which improves blood flow in PAH and urinary flow in BPH. In trials investigating Cialis, the majority of participants receiving the drug experienced a significant improvement in ED and maintained an erection.When you use a Tadalafil coupon, you may be able to save on the retail cost of Tadalafil and pay $ for 30, 20mg Tablet. Compare costs at different pharmacies through the SingleCare pricing tool. How much does Tadalafil cost with insurance? Tadalafil may be covered by some insurance plans. Key takeaways: Cialis (tadalafil) is a popular medication used to treat erectile dysfunction. It’s available in tablets ranging from mg to 20mg. It can cost more than $ for a month’s supply, depending on the dosage you need and the pharmacy you visit. 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.