We got Ivermectin in Austria, 8 pills in a Ziplock bag like it was xtc ;)
It helped a lot with C19.
Even though doctors would be allowed to prescribe it, in theory at least, it is very hard to get.
I send my dad (a doctor) to a big pharmacy a year ago, and they said they have no way to order it....
I think you can get it in Slovakia, but you might need a prescription.
btw., I also had heart rythm problems, just after I met someone freshly injected. But it went away.