Such a combination can be used. It should be borne in mind that this increases the risk of side effects, such as drowsiness or difficulty concentrating.

If you notice any side effects, you should report them to your doctor, who will decide what to do next.
You can find out why you should report adverse drug reactions here:

https://www.gdziepolek.pl/artykuly/jak-i-dlaczego-zglaszac-dzialania-niepozadane

If you do not have the opportunity to consult your doctor, you can use the teleconsultation here:

https://www.gdziepolek.pl/telekonsultacja

Here you can check the availability of these medicines in pharmacies and make a reservation:

https://www.gdziepolek.pl/produkty/106110/preato-tabletki/apteki

https://www.gdziepolek.pl/produkty/49655/mirtor-tabletki-ulegajace-rozpadowi-w-jamie-ustnej/apteki