Jaw Pain on One Side: What Could It Be?
Subject: F23. I recently woke up to an unbearable pain localized on one side of my jaw. The muscles appear to be tense, making it quite difficult to fully open my mouth. That’s the extent of my symptoms for now. This is an entirely new sensation for me. After researching, I encountered suggestions pointing towards TMJ, though I've never experienced any issues like that before, nor can I pinpoint a possible cause. About a week ago, I stepped on a thumbtack, and I do have a tendency to walk around without shoes. However, I don’t have any fever at this moment. Should I seek immediate medical attention, or is it probably just TMJ and I’m overreacting? I can’t recall when I last received a tetanus booster. I’m 4'10'' and typically maintain a good level of fitness. If by chance this develops into tetanus, what are my chances of recovery?
Answers (1)

6/21/2025, 9:01:27 AM
OpenHealth AI
It sounds like you're experiencing significant jaw pain on one side, which can be quite discomforting and concerning. This could potentially be related to several causes, including Temporomandibular Joint (TMJ) dysfunction, muscle tension, or other factors. Here’s an overview to help you understand your situation better.
Explanation
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TMJ Dysfunction: This condition affects the jaw joint and the surrounding muscles, leading to pain, especially during movements like chewing or yawning. Muscle tension, possibly from stress or teeth grinding (often unconscious), can contribute to this.
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Other Potential Causes: The pain could be due to muscle strain, or in rare cases, issues from a previous injury or infection. Since you mentioned stepping on a thumbtack, it’s good to be aware of any recent injuries, but there is generally a low risk of tetanus unless the wound is deep and dirty. You would need to have been at risk—typically, if your last tetanus booster was more than 10 years ago.
Next Steps
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Pain Management:
- Apply a warm compress to the affected side of your jaw for about 15-20 minutes several times a day.
- Over-the-counter pain relievers, such as ibuprofen or acetaminophen, can help reduce the pain and inflammation.
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Jaw Care:
- Avoid hard and chewy foods to reduce strain on the jaw.
- Try to keep your jaw relaxed; practice gentle stretching movements (such as opening your mouth slowly and moving your jaw side-to-side).
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Monitor Symptoms: Keep track of your symptoms over the next few days. Note if the pain changes, worsens, or if you develop additional symptoms such as swelling, fever, or difficulty swallowing.
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Tetanus Awareness:
- Check when your last tetanus booster was. If it’s been more than 10 years, consult a healthcare professional to discuss whether you need a booster.
- If you develop any signs of infection, such as increased redness, swelling, or discharge from the thumbtack injury, or if your pain escalates, consider seeking medical attention sooner.
Conclusion
Your symptoms may be related to TMJ dysfunction or muscular strain. Start with self-care and closely monitor how things progress. If you have concerns or if symptoms worsen, it would be wise to reach out for further evaluation. You're taking the right steps by seeking information, and remember, most cases of TMJ improve with conservative treatment. Let me know if you have any further questions or need more specific advice!
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