What is Cialis Medicine?Cialis is a prescription medication used to treat sexual function problems such as erectile dysfunction (impotence) and benign prostatic hyperplasia... moreWhat is Cialis Medicine?Cialis is a prescription medication used to treat sexual function problems such as erectile dysfunction (impotence) and benign prostatic hyperplasia (prostate enlargement). It is also used for the prevention of urinary tract infections in men who have had a prostate surgery or have been told that they have an enlarged prostate. Cialis is a prescription medication that helps you to delay or avoid coming into contact with an erection. It works by helping to relax the muscles of your penis, so that your penis does not become hard in response to sexual stimulation.Cialis (tadalafil) is a phosphodiesterase type 5 (PDE-5) inhibitor. It works by helping to increase blood flow into your penis when sexual stimulation occurs, which helps you achieve an erection. This medicine is used to treat erectile dysfunction (impotence), improve sex life, or lower your risk of angina pectoris and other cardiovascular events.Cialis is a prescription medication hat helps you to delay or avoid coming... less