John’s wort. Brand names Why is this medication prescribed? Read and follow these instructions carefully. Tell your doctor if tadalafil is not working well or if you are experiencing side effects. Then, with some very careful pill splitting, I tried 1. For treatment of erectile dysfunction daily use : Adults—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. Has anyone had any experience with cialis? I got it prescribed from my doc just to help with my EQ a little, and I was wondering about the dosage schedule. Would mg EOD . The normal dosage of Cialis for occasional use in treating ED is 10 mg taken before sexual activity. If you have side effects with the mg dose, your doctor Missing: reddit.