Sorry if TMI in subject line .
Have had long standing problem with a crowned tooth ( upper molar ) where root died ,root canal filling through crown hasn't resolved feeling of infection above tooth ,under eye socket .
Said tooth and neighbour extracted 48 hours ago .
Feeling of infection still there and now I suddenly have a fair amount of thick mucus to clear from nose ,and it contains a lot of dark brown blood .
Dentist made no mention of antibiotics .
Is this a sign of infection ? Is it fairly normal ?
Am I ok to blow my nose ?