Tell your healthcare provider that you take Cialis. The most important difference between the two is that Cialis Daily offers the option for sex daily whilst Cialis is intended for occasional use. Always discuss with your health care practitioner ALL of the medications you are taking prescription and over-the-counter that way, you can receive the best advice for your own situation. Talk to your doctor if you find this is the case, they may decide a higher dose is the answer or look to alternative therapies. Treated trusted source Brock, G. Lighter meals are best, as larger meals can slow down how quickly it gets into your system.?????1?1?1?(5mg~22mg)??????1~4????????1??????????????????? ?????????????????????????????????????????2???????????????????????. Generic Tadalafil No data Form Bottle Box Disp Pack Tablet No data Dosage mg 5mg 10mg 20mg No data Quantity 5 6 10 15 30 90 No data. Tadalafil (Cialis) is a medicine used to treat erectile dysfunction (ED, also called impotence) and problems with urination caused by an enlarged prostate (benign prostatic hypertrophy or BPH). Tadalafil works by helping to relax the blood vessels in the penis, allowing blood to flow into the penis, and causing an erection.