Your symptoms suggest that you might be requiring root canal treatment
for a tooth in lower left jaw. To relieve pain
you can start with tablet ordent twice daily for three days, tablet ketorol
DT (dissolved in half glass water) twice daily for 3 days and tablet pan d one tablet early morning empty stomach for 3 days.
Please remember that medicines might give you some or complete
relief from pain but this problem might reccur if you wont go for the treatment.