You can use Cialis on a daily basis at a lower dosage. Street prices for opioids will generally be cheaper than prescription drug prices without insurance, although this may depend on the formulation, type of drug, and strength. This means you’ll need to pay the full cost of the medicine. If you do not meet the NHS criteria for tadalafil, you may get a private prescription from a doctor. Taking Cialis does not mean you are guaranteed to get an erection.Generic Cialis, or Tadalafil, is available in several doses in tablet form: milligrams (mg), 5 mg, 10 mg, and 20 mg. Depending on the dose for ED, you can use it as needed . Tadalafil Brand names: Cialis, Adcirca. Tadalafil. Find out how tadalafil treats erectile dysfunction, pulmonary hypertension and benign prostate enlargement, and how to take it. Roman is a telehealth prescription service and online pharmacy that provides prescription Cialis for ED and a host of other conditions, like hair loss, cold sores, and premature ejaculation. When.