1. Trauma or Injury Accidental biting, chewing, or brushing too vigorously can lead to tongue injuries and soreness. Tongue piercings can also cause trauma and irritation.
2. Canker Sores (Aphthous Ulcers) Canker sores are small, painful ulcers that can develop on the tongue or other areas inside the mouth. They are a common cause of tongue soreness and typically resolve on their own.
3. Oral Thrush (Candidiasis) Oral thrush is a fungal infection caused by Candida yeast. It can lead to white patches or sores on the tongue and mouth, causing discomfort.
4. Nutritional Deficiencies Lack of essential nutrients like vitamin B12, iron, or folate can result in tongue soreness and changes in tongue appearance.
5. Burning Mouth Syndrome This condition is characterized by a burning sensation in the mouth, including the tongue. The exact cause of burning mouth syndrome is often unclear.
6. Allergic Reactions Allergic reactions to certain foods, dental products, or medications can cause tongue swelling, pain, or soreness.
7. Gastrointestinal Issues Gastrointestinal conditions like acid reflux or gastritis can lead to stomach acid flowing back into the mouth, potentially causing tongue irritation.
8. Medication Side Effects Some medications, such as certain antibiotics or blood pressure medications, can have side effects that include tongue soreness or changes.
9. Viral Infections Infections like herpes simplex virus (HSV) can cause painful sores or blisters on the tongue during outbreaks.
10. Oral Cancer (Rare, but Important) While relatively rare, oral cancer can manifest as persistent tongue sores or lumps. It is crucial to seek immediate medical attention if you suspect oral cancer.