What causes on and off fever?
Patient: My 8 month old grandson has had a fever off and on for a month.  He had an ear infection and was on anti-biotics.  The ears are clear, urine is clear, and he had a blood test - no results yet.  There is a cat in the house.  What are the symptoms of cat scratch fever? Doctor: Common symptoms of cat scratch fever include: a bump or blister at the bite or scratch site. swollen lymph nodes near the bite or scratch site. fatigue. headaches. a low-grade fever.