Q: My 5-year-old has had watery diarrhea 8 times today, dry lips, and barely ate. Should we go to the ER tonight?
Medically reviewed by Sang Hyun Ahn, MD
Content edited by Myeongchan Kim, MD
This post is a dramatization of a question and answer session experienced by our actual medical reviewers. Please note that this content is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.
Question:
My 5-year-old child seems to have caught a stomach bug. They have had watery diarrhea about 8 times today and have barely been able to eat anything. Their energy is lower than usual, but they currently do not have a fever. They are asleep right now, but their stomach keeps making loud gurgling noises and their lips look dry. When they were a baby, they had severe febrile seizures triggered by gastroenteritis and had to be transferred to a larger hospital, which makes me particularly anxious whenever stomach flu happens. Should I take them to the emergency room tonight?
Answer:
Having watery diarrhea eight times in a single day is understandably worrying, especially given your child's past history with febrile seizures.
At this moment, the primary concern is the degree of dehydration. Before deciding whether to head to the emergency room tonight, evaluate the following signs:
Key Checks Right Now:
Urination: Have they urinated within the last 8 hours?
Tears and saliva: Are there tears when they cry, and is the inside of their mouth moist?
Responsiveness: When gently woken or called by name, do they make eye contact and respond normally?
When to Go to the Emergency Room Tonight
Take your child to the nearest emergency department if you observe any of the following:
No urination for 8 hours or longer
Sunken eyes or crying without tears
Extreme lethargy, excessive sleepiness, or difficulty waking up
Dry, cracked tongue/lips combined with reduced skin elasticity (skin pinched on the back of the hand takes more than 2 seconds to flatten)
Bloody stools (bright red or dark/tarry) or continuous vomiting preventing fluid retention
A high fever (38.5°C / 101.3°F or higher)
Home Care if Red Flags Are Absent
If your child does not show the severe signs above and wakes up alert and responsive, you can safely focus on oral rehydration at home overnight:
Frequent, tiny sips: Give 1 to 2 teaspoons (5–10 mL) of an oral rehydration solution (ORS), diluted electrolyte drink, or plain water/barley tea every 5 minutes. Avoid sugary juices or sodas, as excess sugar can worsen diarrhea.
Lip protection: Apply petroleum jelly or a gentle lip balm to keep dry lips from cracking.
Gentle belly massage: Rubbing the abdomen gently in a clockwise motion around the navel can help soothe intestinal cramping and gas.
Skin care: Watery stools can quickly cause skin breakdown. Clean the area with lukewarm water after bowel movements, pat completely dry, and apply a barrier cream (such as zinc oxide).
Diet: Do not force them to eat. When they show an appetite, offer small amounts of bland, easy-to-digest foods like plain rice porridge, bananas, or boiled potatoes.
About the History of Febrile Seizures
Since there is currently no fever, the primary goal tonight is preventing dehydration. However, monitor their temperature periodically. If a fever spikes or you notice warning signs of a seizure (such as a sudden blank stare, unresponsive staring, or rhythmic twitching), call emergency services immediately.
Next Steps:
If your child stays hydrated and stable through the night, schedule an in-person visit with your pediatrician in the morning if the diarrhea continues frequently, urine output remains low, a fever develops, or your child appears weak and unusually fatigued.
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
