Hence, seeking medical assistance before taking this medicine is very important. Knowledge is Power It’s imperative to consult a healthcare professional before starting any medication, including Cialis. Also, seek recommendations from your doctors on the same. While it’s primary usage might be clear, the plethora of benefits it brings to one’s health is profound and worth exploring. The increase in blood flow causes an erection, allowing males to achieve and maintain an erection. It aids in decreasing the blood pressure in your lungs.$ medication_outlined Availability Available See GoodRx coupons warning Are you looking for information on Adcirca (tadalafil) instead? What is Tadalafil . With Goodrx, the generic version of Cialis 20 mg (tadalafil) is about $9 for 10 tablets. The brand version is about $ See more. Tadalafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). 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%.