Child’s Breath Smells Like Vinegar

The image of a fragrant baby is frequently far from the reality, specifically if your baby frequently spits up. Babies who spit up might have a vinegar smell due to sour milk sticking around in the crevices under their chin or on their clothes. Nevertheless, if the vinegar smell is from your baby’s breath, consult your doctor. An infection or other medical condition may be the cause.

Possible Causes

The most likely cause of a vinegar odor on your baby’s breath is stomach acid. Babies might occasionally spit up stomach acid, especially after the intro of a new food, triggering the odor. If your baby typically gives off vinegar, however, he may have gastroesophageal reflux disease. This condition is caused when the esophageal sphincter does not close entirely, permitting stomach acids to take a trip back through the esophagus, according to the site. Some infections, such as thrush or an ear infection, can also cause a bitter or vinegar odor.

vinegar smell


View your baby for other symptoms to identify the source of the vinegar smell. Babies with gastroesophageal reflux disease typically cry inconsolably after feeding, might feed improperly or might want to nurse all the time. They likewise might spit up regularly and sleep badly. A white coating on the mouth and tongue is the most evident symptom of thrush, a quickly treated condition caused by yeast development in the mouth. A baby with an ear infection might run a fever, feed and sleep poorly or pull at her ears.


Consult your doctor first to determine the source of the vinegar smell, specifically if it lasts more than a few days or is accompanied by other symptoms. Your doctor might advise medication to treat gastroesophageal reflux disease, depending upon the seriousness, along with changes in feeding routines. Thrush is usually treated with an antifungal ointment applied straight to the white spots. Your doctor will probably prescribe antibiotics for an ear infection.


Food allergic reactions, such as a level of sensitivity to breast milk or formula, generally cause vomiting, diarrhea, a rash or runny nose, instead of a vinegar odor. Consult your doctor before switching solutions or eliminating breast-feeding. Look for immediate medical interest if your child is sad, has difficulty breathing or appears sluggish.

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