Jaw tightness (Trismus) in neuromuscular disorders

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Jaw tightness (Trismus) in neuromuscular disorders

Jaw tightness, or trismus, is a symptom experienced in some neuromuscular disorders such as spinal muscular atrophy (SMA).

This leaflet explains what causes jaw tightness and how it can be treated or managed.

Last reviewed: 30/07/2023

Next review date: 31/10/2026

Author(s): NHSGGC.

Version: 3

Approved By: RHC Paediatric Physiotherapy Department

Document Id: 323003

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Jaw tightness (Trismus) in neuromuscular disorders

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