My 15 month old threw up once last Thursday, once last Friday, and had diarrhea once Saturday. But otherwise no symptoms. No rash, fever, sore throat, runny nose, cough, nothing! But she is very cranky, crying, sleepy, sometimes lethargic. She isn t eating or drinking much, and has lost a substantial amount of weight(21lbs 17lbs). She seems to be in pain. She isn t playing, running around, or anything. She s being seen by drs, and has had a battery of blood tests, urine tests and cultures, and a chest X-ray. Everything has been normal and show no sign of infection! What are your thoughts? What could this be? This has been 6 full days of her suffering. What would you look for or suggest next? Thank you. Sincerely, concerned mom
HI... I have gone through the details you have provided thoroughly. I will, it is viral diarrhea as there is no blood in the stools, and she is lethargic, meaning deny Chat Doctor.  Unless the kids having low urine output or very dull or excessively sleepy or blood in motion or green bilious vomiting...you need not worry. I suggest you use zinc supplements (Z&D