Dehydration due to mild to moderate diarrhea or vomiting may produce symptoms such as :
- Few or no tears when crying
- Dry, sticky mouth and tongue
- Fatigue or feeling sleepy; inactivity in children
- Headache, dizziness or lightheadedness
Contact a physician if you or your child show signs of severe dehydration including symptoms of shock, inability to drink, increased thirst, decreased urination, sunken eyes, swelling of the feet or lower legs and/or bloody or mucus-like stools.