"Milk tongue" is not a recognized medical term. It's possible that you're referring to one of the following conditions:
1. Oral Thrush
Oral thrush, also known as candidiasis, is a common fungal infection that can occur in the mouth. It is caused by an overgrowth of the fungus Candida albicans. Symptoms of oral thrush include:
- White, creamy patches on the tongue, cheeks, and roof of the mouth
- Soreness in the mouth
- Difficulty swallowing
- Loss of taste
Oral thrush is often seen in infants and young children, but it can also occur in adults with weakened immune systems.
2. Geographic Tongue
Geographic tongue is a harmless condition that causes patches on the tongue to appear smooth and red. These patches can change in size and shape over time, giving the tongue a "map-like" appearance.
The exact cause of geographic tongue is unknown, but it is thought to be related to inflammation or an immune response.
3. Hairy Tongue
Hairy tongue is a condition where the papillae (small bumps) on the tongue become elongated and discolored, giving the tongue a hairy appearance. This is usually caused by poor oral hygiene or smoking.
4. White Tongue
White tongue can be caused by a number of factors, including:
- Dehydration: Not drinking enough water can cause the tongue to appear white.
- Poor oral hygiene: Not brushing and flossing regularly can lead to a buildup of bacteria and plaque on the tongue.
- Smoking: Smoking can stain the tongue white.
If you are concerned about any unusual changes in your tongue, it is important to see a doctor or dentist for a diagnosis.