Is it possible that after taking Betaserc for 10 days, I have a white tongue and it hurts?

This side effect, i.e. a white, sore tongue, has not been observed and is listed in the Betaserc dossier. However, not all side effects of drugs are known and described - if you associate taking the drug with the appearance of a white bloom on the tongue and pain, then I encourage you to report it to your doctor. Reporting side effects allows you to gather more information about the safety of medicines and update data about them, which can help other patients in the future. We wrote about how to report them here: https://www.gdziepolek.pl/artykuly/jak-i-dlaczego-zglaszac-dzialania-niepozadane Side effects of drugs can also be reported individually: https://www.urpl.gov.pl/pl/produkty-lecznicze/monitorowanie-bezpieczeństwa-leków/zg loost-side-effect-0