Amifampridine SERB

Amifampridine Serb is a medicine used to treat the symptoms of Lambert\-Eaton myasthenic syndrome (LEMS) in adults. LEMS is a disease in which patients have muscle weakness because of a failure of the nerves to transmit electrical impulses to the muscles. Amifampridine Serb contains the active substance amifampridine and is a ‘generic medicine’. This means that Amifampridine Serb contains the same active substance and works in the same way as a ‘reference medicine’ already authorised in the EU called Firdapse. For more information on generic medicines, see the question\-and\-answer document [here](https://www.ema.europa.eu/en/documents/medicine-qa/questions-answers-generic-medicines_en.pdf).