Hello. i have been having a sharp throbbing pain through out the left side of my head, neck, ear & jaw. it's prohibits me from daily activities?

Needs further Info.: Needs further information to give you a better guide... Your age, duration of the pain, associated symptoms, any factors that increase it or decrease it, and previous similar problem or similar family history problem

Oh my!: Headaches that extensive are not in the common descriptions for tension, migraine, sinus or vision headaches. Sounds like you need a full evaluation for this