In the first 6 months, most infants experience some degree of vomiting or spitting up. They may spit up milk they just drank or even curdled milk. So what exactly is curdled milk in a baby’s mouth, and how should you handle it? How do you properly clean your baby’s mouth?

White patches in the mouth are a sign of thrush in babies. The disease often occurs due to an excessive amount of yeast, mainly in the mouth and throat.