BPH occurs when the prostate and the surrounding tissues become enlarged. Do I need a prescription for Tadalafil? Psychological factors like stress, depression, or anxiety can also contribute. PT 3 min read Medicare prices could change in Taking generic ED medications is an effective way to save money without sacrificing quality. Do not take a double dose or more than one dose per day to make up for a missed one. Insurance can help you save even more on consultations and medications.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 since then. This has increased market competition, driving prices down. Cialis is a prescription medication containing the active ingredient tadalafil. Cialis belongs to a group of medications known as phosphodiesterase-5 (PDE-5) inhibitors. Healthcare providers commonly prescribe tadalafil to treat erectile dysfunction (ED). Tadalafil (Cialis) is available both as brand-name and generic tablets. Common side effects of this medication include headache and indigestion. Tadalafil (Cialis) does interact with some medications, such as heart and blood pressure medications, and taking them together could lead to very low blood pressure and dizziness.