After the strong growth in membership of the last few years, Allergan also joined Interpharma on 1 January 2018. This means that Interpharma has 24 member companies, which make a major contribution to medical progress in general and to improvements in the quality of life for the individual patient with their various treatments and therapies. The market share of Interpharma member companies in the Swiss pharmaceuticals market for patent-protected, reimbursable medicines stands at more than 90%.