In trials of the drug, individuals taking Cialis saw a significant reduction in the frequency and urgency of urination and improved urine flow. In some cases, ED can cause a strain on relationships and impact self-esteem. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Medicines that block an enzyme called CYP3A4. Tadalafil comes as a tablet to take by mouth. · What is Cialis? Cialis is a brand-name prescription medication. It’s FDA-approved to treat the following in males:* erectile dysfunction (ED), a condition in which you can’t get or keep an. Cialis Now Available as Generic Tadalafil: Here’s What You Need to Know – GoodRx. We have good news for you: generic Cialis, used to treat erectile dysfunction (ED) and enlarged prostates, just hit pharmacies. Prices for the generic, Welcome! You’re in GoodRx Provider Mode. Cialis (tadalafil), for instance, is one of the most popular brand-name ED medications, and it is manufactured by Eli Lilly. Cialis can cost around $ to $ per month out of pocket, depending on the dosage you need. The first generic version of Cialis was released in October , and other manufacturers have released generic versions .