Frequency of paediatric patients administered extemporaneous preparations at a Swedish university hospital: a registry-based study comparing two study-years, 10 years apart.

The introduction of new authorised products has decreased the need for manipulation or extemporaneous preparations in some therapeutic groups. There remains, however, a pronounced lack of commercially available child-friendly dosage forms and suitable strengths enabling safe administration of medicines to children, indicated by the large percentage of patients receiving at least one extemporaneous preparation.