These include itraconazole Sporanox, Tolsura , ketoconazole Extina, Ketozole, others and ritonavir Norvir. Your doctor or other health care professional can recommend one for you based on these factors, other health conditions you have and any other medicines you take. They include dutasteride Avodart, Jalyn and finasteride Propecia, Proscar. Generic versions of sildenafil, vardenafil and tadalafil are available. The body takes longer to absorb it after a high-fat meal or alcohol. Avanafil Stendra.The lowest GoodRx price for the most common version of Tadalafil (Cialis) is around $, 96% off the average retail price of $ Read more about Tadalafil (Cialis) See more about Benign Prostatic Hyperplasia. Tadalafil – STADA T20 – 20 Milligramm. Tadalafil, sold under the brand name Cialis among others, is a medication used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. It is taken by mouth. Onset is typically within half an hour and the duration is up to 36 hours. Common side effects include headache, muscle pain, . Tadalafil (Cialis) is taken by mouth either as needed before sexual activity or once daily for erectile dysfunction (ED).It’s also taken once daily to treat symptoms from an enlarged prostate (benign prostatic hyperplasia, or BPH).Tadalafil (Cialis) is available both as brand-name and generic tablets. Common side effects of this medication include .