Bitten Tongue: Nerve Damage and Healing Time - Otolaryngology

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Biting the tongue?


Hello: Last Saturday (September 25), I accidentally bit my tongue (probably at the tip), which caused bleeding that stopped within about an hour.
However, as of today (September 28), the tip of my tongue still feels numb.
Is it possible that I injured a nerve? Will it heal on its own? Thank you for your response.

Yu, 40~49 year old female. Ask Date: 2021/09/28

Dr. Li Jiaxuan reply Otolaryngology


Wound healing typically takes about two weeks, but if there are symptoms, it is still advisable to visit an otolaryngology outpatient clinic for examination.
Wishing you good health.

Reply Date: 2021/09/28

More Info


Biting your tongue can be a painful experience, and it’s not uncommon to feel some lingering effects after the initial injury. In your case, since you bit your tongue on September 25 and are still experiencing numbness in the tip of your tongue as of September 28, it’s understandable to be concerned about potential nerve damage.

When you bite your tongue, the injury can range from a simple cut to more severe trauma that might involve the underlying nerves. The tongue is rich in blood vessels and nerve endings, which is why injuries can bleed significantly and cause discomfort. The numbness you are experiencing could be due to a few factors:
1. Localized Trauma: The injury itself may have caused temporary nerve irritation or damage. The nerves in the tongue can become inflamed or compressed due to swelling, leading to sensations of numbness or tingling.

2. Healing Process: The tongue has a remarkable ability to heal due to its rich blood supply. While most minor injuries heal quickly, the sensation may take a bit longer to return to normal. It’s not uncommon for the area to feel numb or tingly during the healing process.

3. Nerve Involvement: If the bite was deep enough to affect the nerves, it could lead to prolonged numbness. The lingual nerve, which supplies sensation to the tongue, can sometimes be affected by trauma. If this is the case, the numbness may persist for a while but often resolves as the nerve heals.

In most cases, minor tongue injuries heal on their own without the need for medical intervention. Here are some general recommendations for managing your symptoms and promoting healing:
- Maintain Oral Hygiene: Keeping your mouth clean is crucial to prevent infection. Rinse your mouth with warm salt water several times a day, especially after eating.

- Avoid Irritants: Try to avoid spicy, acidic, or hot foods that may irritate the injury. Stick to soft foods that are easier to eat.

- Pain Management: If you experience pain, over-the-counter pain relievers like acetaminophen or ibuprofen can help alleviate discomfort.

- Monitor Symptoms: Keep an eye on your symptoms. If the numbness persists beyond a week or worsens, or if you experience additional symptoms like severe pain, swelling, or signs of infection (such as pus or fever), it would be wise to consult a healthcare professional.

In conclusion, while the numbness you are experiencing could be related to nerve involvement, it is likely to resolve as your tongue heals. The healing time can vary from a few days to a couple of weeks, depending on the severity of the injury. If you have any concerns or if your symptoms do not improve, it’s always best to seek medical advice for a thorough evaluation.

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