CIALIS® (See-AL-iss) (tadalafil) tablets. Read this important information before you start taking CIALIS and each time you get a refill. There may be new information. Find patient medical information for Cialis oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. CIALIS for daily use (5 mg) may help treat erectile dysfunction (ED) and the symptoms of benign prostatic hyperplasia (BPH). Learn how to take CIALIS for daily use. 1 Patient Information CIALIS®(See-AL-iss) (tadalafil) tablets Read this important information before you start taking CIALIS and each time you get a refill. what happens if i take 2 cialis, what is the cialis price in malaysia Read common questions about erectile dysfunction (ED), benign prostatic hyperplasia (BPH), and CIALIS. 9 Jan 2012. Generally the recommended dose of Cialis is 5mg for ED, 2 X 20mg would be way way too much & would be considered an over dose. This could lead to serious. What will happen if you took 2 cialis or levitra on the same day?. What will happen if I take 6 cialis 20 mg pills in the same day? More questions.