When children are ill, there is often a lack of suitable proprietary medicines. With experience and expertise, pharmacies close this gap. In the process, they are often confronted with complex questions before preparing a medicine: Is the dosage right? Which dosage form will be accepted by the child? How do I process the active ingredient in a child-friendly way? Which excipients are suitable? Formularium paediatricum provides answers to these and numerous other questions: ■ 70 monographs on tested standard formulations describe the preparation process step-by-step and explain paediatric specifics in terms of formulation. ■ an annotated list of common paediatric excipients as well as comprehensive explanations for evaluating children‘s formulations help to assess unknown, non-standardised formulations. Whenever it is a case of extemporaneous medicines for children: the Formularium paediatricum assists in the preparation in the pharmacy to succeed safely and confidently.