My son having high fever every month without any reason. But no other symptoms like cough cold etc. Temperature raise 103° n 104° but after 4 daya its start reduce n them clear it all. Only meftal p and crocin medicine works...all test done just wbc, crp level increases n in sonography lymph nodes large shows in abdominal. But still we didn't get right Diagnosis. From one year no weight loss no weight gain. Plz help