Hello
Such kind of bad and radiating pain can be due to an erupting wisdom tooth or a deeply decayed tooth (where the decay has reached till the tooth nerves). In both the cases, you need to visit your dentist, get a proper checkup done. He will take x rays for you and guide you properly.
Next Steps
Kindly visit a dentist and get yourself checked and treated.
Health Tips
Dont rely on medicines, it cannot be self-cured`