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Teething, Vomiting, and Diarrhea: What’s Normal and What Needs Attention

If your baby is teething and also has vomiting, diarrhea, or an upset stomach, it can be hard to tell what’s related to teething and what may be something else. Get clear, parent-friendly guidance based on your baby’s symptoms.

Answer a few questions about your baby’s teething symptoms

Share whether you’re seeing diarrhea, vomiting, both, or a general upset stomach while teething, and get personalized guidance on what may be typical, what to watch closely, and when to contact your pediatrician.

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Can teething cause vomiting and diarrhea?

Many parents search for answers about teething vomiting and diarrhea because these symptoms often show up around the same time. Mild changes in stool can happen during teething, partly because babies drool more and put more objects in their mouths. But repeated vomiting or significant diarrhea is not usually explained by teething alone. If your baby is vomiting and has diarrhea while teething, it’s important to consider other causes too, such as a stomach bug, feeding issue, or another illness.

What may be normal during teething

Mild loose stools

Some babies have slightly looser poop than usual while teething, but it should not be frequent, severe, or lead to dehydration.

More drooling and gagging

Extra saliva can sometimes cause mild gagging, spit-up, or an upset stomach feeling, especially if your baby is swallowing a lot of drool.

Fussiness with feeding

Sore gums can make babies eat differently, which may briefly affect digestion, but ongoing vomiting is not considered a typical teething symptom.

Signs symptoms may be more than teething

Repeated vomiting

If your baby is vomiting more than once, cannot keep fluids down, or seems unusually sleepy, teething may not be the main cause.

Frequent watery diarrhea

Multiple watery stools, especially with fewer wet diapers, can point to illness or dehydration rather than normal teething changes.

Fever or other illness symptoms

A true fever, rash, cough, breathing changes, or signs of pain can suggest something else is going on alongside teething.

When to seek medical care sooner

Signs of dehydration

Call your pediatrician if your baby has a dry mouth, no tears when crying, fewer wet diapers, sunken eyes, or seems weak or hard to wake.

Vomit that looks concerning

Green vomit, blood in vomit, or forceful vomiting should be evaluated promptly and is not considered normal with teething.

Diarrhea with blood or lasting symptoms

Blood in the stool, severe diarrhea, or symptoms lasting more than a day or two deserve medical advice, even if your baby is also teething.

Frequently Asked Questions

Is vomiting normal when teething?

Occasional spit-up or mild gagging from extra drool can happen, but repeated vomiting is not usually considered a normal teething symptom. If your baby is truly vomiting while teething, it’s worth looking at other possible causes.

Is diarrhea normal when teething baby symptoms start?

Some babies may have slightly looser stools during teething, but frequent watery diarrhea is not typically caused by teething alone. If diarrhea is ongoing, severe, or paired with poor drinking or fewer wet diapers, contact your pediatrician.

Why is my baby vomiting and diarrhea while teething?

Teething may overlap with other common baby illnesses, especially viral stomach bugs. Babies also put more hands and objects in their mouths during teething, which can increase exposure to germs. That’s why vomiting and diarrhea in babies during teething should be looked at carefully rather than assumed to be from teething alone.

Can teething cause an upset stomach without much vomiting or diarrhea?

It can. Swallowing extra drool and changes in feeding can sometimes lead to mild stomach upset, fussiness, or more spit-up. But if your baby seems very uncomfortable, is not feeding well, or symptoms keep getting worse, another cause may be involved.

Get personalized guidance for teething symptoms with vomiting or diarrhea

Answer a few questions about what your baby is experiencing to get clear next-step guidance, including what may fit with teething, what signs deserve closer attention, and when it may be time to call your pediatrician.

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