AskDefine | Define trismus

Dictionary Definition

trismus n : prolonged spasm of the jaw muscles

User Contributed Dictionary



  1. The inability to normally open the mouth, such as a result of disease.


Extensive Definition

Trismus, also known as lockjaw, is the inability to normally open the mouth due to one of many causes.

Common causes

Other causes


Treatment requires treating the underlying condition. Additionally, control of symptoms with pain medications (NSAIDs), muscle relaxants, and warm compresses may be used.


trismus in German: Trismus
trismus in French: Trismus (médecine)
trismus in Italian: Trisma
trismus in Japanese: 破傷風
trismus in Polish: Szczękościsk
trismus in Portuguese: Trismo
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