It could be oral thrush, a common fungal infection. These patches may feel sore and tender ... when a type of yeast called ...

Thrush, or oral candidiasis, is a fungal infection in your mouth and throat ... diaper rashes when the yeast enters their stool. You notice the presence of sores resembling thrush.

If those sores leak fluid they can cause shallow ... white patches can appear. The most common yeast infection in the mouth is caused by Candida albicans. If this yeast grows too much in your ...

It might just be poor oral hygiene or dehydration, but it may also be a sign of medical conditions like a yeast infection or inflammatory ... "When there are sores and a mix of white and red ...