How much Cialis should I take the first time? If you participate in sexual activity more than twice each week, Cialis Daily 5mg can be used every day instead. If you forget to take a dose of Cialis Daily, swallow a tablet when you remember but do not take two to make up for missing one earlier on. What is Cialis and how does it work? Customers can now explore information and advice alongside relevant products and services for a wide range of conditions at the Boots Health Hub. What happens when you take Cialis for the first time? Share this page.SHOP NOW Find out how Cialis can help treat erectile dysfunction Cialis is a prescription-only medicine for men, aged 18 or over, experiencing symptoms of erectile dysfunction. . Can I buy Cialis Together over the counter? Yes, Cialis Together has been approved as a pharmacy medication by the Medicines and Healthcare products Regulatory Agency . A vailable on f rom today (6 th June ), Cialis Together will be rolled out to over 1, Boots stores from 13 th June. It will be available over-the-counter as a p harmacy medicine, enabling men aged 18 or over who are having erection difficulties to .