A spasm is a sudden, violent, involuntary contraction of a muscle or a group of muscles (including involuntary muscles such as in an artery, the colon, or the esophagus), attended by pain and interference with function, producing involuntary movement and distortion.

Symptom severities
Severe 3
Moderate 6
Mild 10
None 5
What patients report taking for the purpose of treating Spasms in jaw
Gabapentin 1
Soma 1
TMJ splint 1
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