Comparing circa vs Cialis circa (talafil) Cialis (talafil) Prescription only Prescribed for Pulmonary Arterial Hypertension. circa may also be used for purposes .For the full list of all side effects and restrictions with Adcirca, see the package leaflet. This is high blood pressure that occurs in the main artery that carries blood from the right side of the heart the ventricle to the lungs. ED occurs more frequently in older men. The results showed the combination to be even more effective than either medication alone. Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry. Dosing Guidelines Typical Cialis dosages will differ depending on the conditions it’s prescribed to treat as well as other factors.How Cialis Works. Talafil and other PDE5 inhibitors primarily work by inducing muscle relaxation. Talafil stops the breakdown of a chemical responsible for . Comparing circa vs Cialis circa (talafil) Cialis (talafil) Prescription only Prescribed for Pulmonary Arterial Hypertension. circa may also be used for purposes . Deciphers the medication talafil (circa, Cialis), a drug used for the treatment of impotence (erectile dysfunction, ED). Dosage, side effects, and drug interaction .Tadalafil stops the breakdown of a chemical responsible for relaxing muscles. PAH is a debilitating disease where there is severe narrowing of the blood vessels of the lungs. If you are a Mayo Clinic patient, this could include protected health information. Adcirca is available as tablets and as a liquid to be taken by mouth. This will increase the supply of blood to the lungs and reduce the workload of the heart.