my son 14 years, got sick with stomach flu on Saturday, fever, vomiting, bad tummy pains. next day same, monday also diarrhea. took him to doc on tuesday to clear out dengue fever. we live in Asia. he said its most likely just stomach bug but he also had high hemoglobin, 17. He has had no fever since maybe sunday monday. Stomach pains gone too but is still sick with headache and dizziness, lightheaded, week. eating plain food and i am treating with home remedies and he had homeopathic medicine too.