Suggest Treatment For Headaches And Lumps After Sinus Surgery

I HAD SINUS SURGERY ON THE SECOND OF THIS MONTH AND IVE BEEN ON ANTIBIOTICS BUT NOW MY NECK IS STIFF AND I HAVE A MASSIVE HEADACHE AND PAIN MEDS ARE NOT WORKING AND I HAVE KNOTS ON MY SCALP THEY HURT TO TOUCH THEM AND IT HURTS TO TOUCH MY HAIR. I HAVE A LOT OF PRESSURE IN MY SINUS AND HEAD AND SOMETIMES IM A LITTLE DIZZY AND SOMETIMES I FEEL LIKE I HAVE A HARD TIME THINKING