If it's a new pain, maybe it may subside ? If it is not a new pain, it is about time you did something about it ?
You may take a OTC/normally available painkiller from the pharmacist but if you really want a medicine that hits the spot and gives you good long term relief, we should have a conversation about which medicine would be right for you.
Next Steps
Consult a dentist online as soon as possible, you need an antibiotic.
Health Tips
Do not delay seeking treatment as this pain could worsen.
or affect other functions, create stress, disturb sleep and diet.