Talk to General Physician on Sudden And Sharp Headaches

Hello i dont know why but i am having sharp headaches on my left side of head from like 2-3 days i was eating from left side of my jaw because i just had some swollen gum at the end of mouth on the right of jaw so did something happen to my jaw? and i also pressed my neck left side when i was bent i did it myself and i did feel a bit of pain but i dont know if this was the cause is it something serious or jaw related or neck related i do get sharp pains during eating mostly though from left side?Please answer me :) Thanks is it because of jaw?or neck or something serious?What can be the causes to it?