Though this growth is not cancerous, prostate cancer and BPH can co-occur. In BPH, the medication relaxes the urinary tract and bladder muscles, allowing for more effortless urine flow. Liver disease: There is limited experience using tadalafil in patients with liver disease. In trials of the drug, individuals taking Cialis saw a significant reduction in the frequency and urgency of urination and improved urine flow. Brand-name versions of the drug approved for PAH include Adcirca. Tadalafil stops the breakdown of a chemical responsible for relaxing muscles.Pros and cons at a glance Below are some advantages and disadvantages of tadalafil. Pros available in a generic form, which is cheaper than brand-name drugs available in different dosages some. Tadalafil (Adcirca, Alyq) is an expensive drug used to treat pulmonary arterial drug is less popular than comparable drugs. It is available in both brand and generic versions. Generic tadalafil is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower. Post-Donut Hole. Copay Range. $1 – $ After your deductible has been satisfied, you will enter the Post-Deductible (also called Initial Coverage) stage, where you pay your copay and your plan covers the rest of the drug cost. Want an exact price for your co-pay?