What Is The Treatment For Fever And Headaches?

i have been sick for about 2 sweets stuffy nose , but no i have a fever and i went to the docots and they gave me nose spray and pills . i took them that night like i was told and int he morning i took the sceond pill then i went out to the drug store to pick up things for my period and i get very weak on my period time to time and my legs hurts and i blacked out at the cashiers desk and sat down couldnt hear much and i started to puke once i puked i was fine . but now im waking up with back headaches near the back of my head and they go to the front after awhile. i do have alot of stress in my life right now could that be a part of it or is there something wrong?