(HealthDay News) -- People who are lactose-intolerant can't digest a sugar found in milk.
Could your child be among them? The American Academy of Pediatrics says signs of trouble digesting lactose may include:
- Having stomach cramps.
- Feeling bloated.
- Complaining of gas.
- Feeling nauseated.
- Having diarrhea.
Symptoms usually begin within 30 minutes to 2 hours of drinking milk, the academy says.