Why do I need a doctor's prescription for Cialis? Cialis is only available by prescription because it's not appropriate or safe for everyone to take it. It's important that you know your blood pressure and provide it to our doctors when you answer our health questions.
In the United States, Cialis and tadalafil are only available by prescription. But in the UK, patients can buy Cialis over the counter without a prescription. It is sold under the name, Cialis generic, and comes in a 2.5 mg tablet for around $0.68 US dollars for four tablets. Nov 11, 2019