One advantage Cialis has over Viagra and Levitra is its Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medicine. Ask your pharmacist or doctor for a copy of the manufacturer’s information for the patient. However, safety should always be the top priority. Ensure that the product description mentions this.We would like to show you a description here but the site won’t allow more. Cialis Prices, Coupons and Patient Assistance Programs. Cialis is A generic version of Cialis is available. See tadalafil prices (from $ for 30 tablets). Cialis prices Oral Tablet. mg Cialis oral tablet. from $ for 30 tablets. Quantity Per unit Price; 30 (2 . 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.