Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry. Tadalafil will make these symptoms less severe and reduce the chance that prostate surgery will be needed. If you become pregnant while taking tadalafil, call your doctor. Before taking tadalafil, tell your doctor and pharmacist if you are allergic to tadalafil, any other medications, or any of the ingredients in tadalafil tablets. Without physical action to the penis, such as that occurring during sexual intercourse, tadalafil will not work to cause an erection. Follow all directions on your prescription label and read all medication guides or instruction sheets.Tadalafil (Cialis) is used to treat erectile dysfunction (ED, impotence; inability to get or keep an erection), and the symptoms of benign prostatic hyperplasia (BPH; an enlarged prostate) which include difficulty urinating (hesitation, dribbling, weak stream, and incomplete bladder emptying), painful urination, and urinary frequency and urgency. Types: Accessibility · Pet Supplies · Pharmacy.  · Cialis. Descriptions. Tadalafil is used to treat men who have erectile dysfunction (also called sexual impotence). Tadalafil belongs to a group of medicines called phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme called .