Suggest Remedy For Constant Headaches And Numbness In Face

hello
i have had a bad headache for a week now and just in the last few days it has gotten worse yesterday my face went numb and i almost passed out i went to er and i am getting a catscan next friday my symptoms are headache in temples and back of head pain and numbness in face and neck stiffness and dizzyness i feel very worried i also keep having panic attacks out of no where i am just wondering if i am going to be okay o wait untill firday for a catscan or what it could poosibly be