Hi thanks for your question.
The bump which your
are having on left side of skull with symptoms of headache,shaking and soreness..The bump has spread to addjoining area.Most probably this bump could be an abscess
secondary to infection of hair follicle what is called as boil.Consult a general surgeon
who may examine you to determine what exctly this bump is.You may need incision draainage of abscess alomg with antibiotics and pain killer.
Hope this answeress your question.