Doctor, I have a problem where muscles anywhere in my body can suddenly cramp, pull, or twist on their own. When this happens, I lose control over the affected muscle, and it causes very severe pain. It most commonly affects my stomach, neck, mouth, and lower limbs.
I also experience muscle pulling in my lower limbs. After yawning, my jaw sometimes locks (locking of the temporomandibular joint/TMJ), making it difficult to close or move my mouth normally.
This condition appears to run in my family. My father also has the same problem. I would like to know what could be causing it and whether I need any investigations or treatment.
Answers (1)
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Based on what you've described, this doesn't sound like a typical rheumatological condition. The recurrent painful muscle spasms involving different muscle groups, jaw locking, and the fact that your father has similar symptoms make me think more of a hereditary neuromuscular disorder (such as a muscle channelopathy or myotonia).
Could you also tell me whether these episodes are triggered by exercise, cold, or rest after exercise, and whether you have any weakness between attacks?
Next Steps
I would recommend seeing a neurologist for further evaluation. Initial tests would include electrolytes, calcium, magnesium, CK, thyroid function, and an EMG/nerve conduction study. Depending on the findings, genetic testing may also be considered
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Disclaimer : The content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding your medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.
Rheumatology
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