My 5 year old has had a fever that comes and goes for almost two months now.  It gets as high as 104.  She is very tired and has lost 6 to 7 pounds in this time.  She complains that her tummy hurts.  The episode before this current one she was vomiting for a day and had very bad diarrhea the next day.  She is usually sick for a couple days and then normal for a week or so.  Her blood work showed low hemoglobin.  Another catch is her older sister caught it this time so it must be contagious.  Any ideas?
Hi I am sorry to hear that your 5 yr old child been unwell for 2 months with on and off fever, weight loss and tummy ache. She definitely needs thorough evaluation including examination, blood test and further investigations based on the clinical and blood test findings. I hope this helps. If you need further information please don't hesitate to contact me.