Find drug information for Tadalafil on CVS.com, including related drug classes, side effects, dosage, and answers to frequently asked questions. Tadalafil (Eqv-Cialis): side effects, dosage, interactions, FAQs, reviews. Used for: benign prostatic hyperplasia, erectile dysfunction, pulmonary arterial hypertension Find patient medical information for Tadalafil (Cialis, Adcirca, and others) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Tadalafil - STADA T20 - 20 milligram Tadalafil, sold under the brand name Cialis among others, is a medication used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. [4][5][7] It is taken by mouth. [7] Onset is typically within half an hour and the duration is up to 36 hours. [7] Common side effects include headache, muscle pain, flushing, and. Tadalafil increases blood flow to particular areas of the body and is used to treat erectile dysfunction. Learn about side effects, interactions and indications. Tadalafil will make these symptoms less severe and reduce the chance that prostate surgery will be needed. This medicine is also used to treat erectile dysfunction and signs and symptoms of BPH. Tadalafil is also used in both men and women to treat the symptoms of pulmonary arterial hypertension to improve your ability to exercise. Tadalafil is a generic drug prescribed for erectile dysfunction and other conditions. Learn about the drug’s dosages, form, strengths, and more. Learn about tadalafil (Cialis) usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Tadalafil is a prescription medication used to treat benign prostatic hyperplasia, erectile dysfunction, and pulmonary arterial hypertension. 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 in adult men. Tadalafil (Adcirca) is used to.