Can I have weakened and brittle nails after using Nivalin?

Although fragility and weakness of the nail plate after nivalin have not been observed in the studies and given in the drug documentation, this effect cannot be completely excluded. Not all side effects, especially those that occur very rarely, are described in the leaflet, so it is important to report your observations. 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