BPH is caused by an enlarged prostate. If you are a Mayo Clinic patient, this could include protected health information. This will increase the supply of blood to the lungs and reduce the workload of the heart. Tadalafil will make these symptoms less severe and reduce the chance that prostate surgery will be needed. Cialis is a brand-name prescription medication.Only 5% of males between the ages of 20 and 39 report ED symptoms, while over 70% of males over 70 report difficulty having or maintaining an erection. The most .  · Cialis tablets come in four strengths: milligrams (mg), 5 mg, 10 mg, and 20 mg. What are the typical dosages of Cialis? Typically, your doctor will start you on a . Brand-name Cialis: $20 – $80 per dose (5mg, 10mg, 20mg) Generic Cialis (tadalafil): $11 – $44 per dose (5mg, 10mg, 20mg) Daily generic Cialis (tadalafil): $8 per .