What is thrush and is it more common in diabetics?

Infection: It is infection that occurs in the mouth usually seen in babies. Diabetics can get this also but it usually means diabetes not well controlled. This is infection caused by yeast.

Yes: Thrush is a fungal infection that involves the mouth and upper GI tract. It is more common in diabetics, especially if blood sugars are high, but can occur in non-diabetics, typically associated with immune deficiency or overuse of antibiotics.