What Causes Constant Headaches Having A Lump On Temple Since Birth?

i was born with a cyst on the left side of my head just above the temple. the doctors said it would grow out words. but for the past few years the pain in me head have been getting worse. for the past two weeks the whole left side of my face have swelled up and i have constint pain in my head and tingling in the back of my head! and it seems to be getting worse. Should i go to the hospital instead of waiting weeks to see my doctor. Please Help!