Published on October 18, warning. This article is no longer being updated and some information may not be current. Visit the GoodRx Healthhomepage for our latest articles. .Back to Tadalafil About tadalafil – Brand names: Cialis, Adcirca Tadalafil is a medicine used to treat erection problems erectile dysfunction and symptoms of an enlarged prostate benign prostate enlargement. Tadalafil has been extensively studied for ED. If we combine this information with your protected health information, we will treat all of that information as protected health information and will only use or disclose that information as set forth in our notice of privacy practices. The most common side effects are headaches, feeling sick, indigestion and facial flushes. It comes as tablets.GoodRx can help you save over 80% off the average retail price of the generic versions. Generic sildenafil at certain pharmacies is as low as $ with a free GoodRx discount. You can also find generic tadalafil and vardenafil for as low as $ and $ , respectively. AdSave on 50, Brand Name & Generic Drugs With SingleCare®. Get Your Free Rx Coupon Now! Find the Lowest Price for Your Prescription Meds and Save at Your Local Pharmacy Today! About tadalafil Brand names: Cialis, Adcirca. About tadalafil. Tadalafil is a medicine used to treat erection problems (erectile dysfunction) and symptoms of an enlarged prostate (benign prostate enlargement). It’s also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs).It can be dangerous to take tadalafil if you also take medicines called nitrates often prescribed for chest pain. If you have an erection that lasts for more than 4 hours, you should go to the nearest hospital emergency department. It’s also sometimes used to treat pulmonary hypertension high blood pressure in the blood vessels that supply the lungs. Some people buy tadalafil online without a prescription. Alternatively, Cialis may be prescribed as an as-needed treatment for ED, to be taken before sexual activity. Subsequently, the FDA approved both vardenafil [27] and tadalafil in Tadalafil is not usually used to treat benign prostate enlargement because there is not enough evidence about how well it works.