Ive Got A Tooth That Needs To Come Out And

Ive got a tooth that needs to come out and have to wait 3 weeks for appointment dentist told me to take 600mg every 3-4 hours until its removed she wouldn't prescibe as its only pain relief .im on mst , pregabilin, Amitriptyline, thyroxine and paracetamol for various health problems which include enlarged heart and floppy valve is this safe