A white coating on your tongue is often harmless and linked to bacteria buildup or poor oral hygiene, but in some cases, it can signal infection or underlying health issues. Here’s what causes it—and ...

If you happen to notice a white hue coating your tongue or a few white patches here and there, don’t panic. This condition, known as white tongue, is usually nothing to worry about. But in rare cases, ...

BOSTON - Dr. Mallika Marshall is answering your medical questions. If you have a question, email her or message her on Facebook or Twitter. Shiela asks, "My tongue has turned white and I have problems ...