If you are having abscess in tooth try to resolve this problem first.
Either RCT or extraction.
Septicaemia has a route for development.
Abscess first involves spaces around infection. May feel pain and swelling too.
Next Steps
Nothing to worry just go go go for treatment of infectious tooth. Don’t bother about septicaemia.
Health Tips
If untreated them you may feel fever , chills, temperature etc etc...