What happens if a baby drinks from a moldy bottle?
Andrew Mclaughlin
Updated on January 22, 2026
Mould can be harmful to your baby if he breathes it in or swallows it. These can make your baby sick. Ingesting mould could also give your baby an upset stomach or diarrhoea. If you suspect that your baby has come in contact with, or swallowed mould, speak to his doctor right away.
Can baby get sick from mold in bottle?
Most children who drink from a sippy cup with mold (or use another item that's moldy) won't experience negative effects. But in some children, it might cause an allergic reaction or respiratory problems (which is more likely with inhaling mold rather than ingesting it). And certain molds can cause vomiting or diarrhea.What happens if baby ingested mold?
And even if they did (i.e. they swallowed some bath water), in most cases, it was likely a small amount and won't do any harm. In rare cases, kids who are sensitive to mold may experience vomiting, upset stomach or diarrhea after ingestion, according to Cincinnati Children's Hospital.What should I do if I've been drinking from a moldy water bottle?
Drinking moldy water happens all the time. Luckily, swallowing a few sips of moldy water won't do too much damage thanks to our stomach acid which is strong enough to kill pathogens in moldy water. Some might notice cramps, nausea, or even diarrhea but most people have no symptoms.What are the signs of mold toxicity?
What are the symptoms of mold toxicity?
- Cognitive difficulties (brain fog, poor memory, anxiety)
- Pain (especially abdominal pain, but can include muscle pain similar to fibromyalgia)
- Unexplained weight gain or weight loss.
- Numbness and tingling in extremities or other areas of the body.
- Metallic taste in the mouth.