Stephen J. Schueler, M.D.

Overview Underlying Cause

Unable to Open Mouth Overview

Another name for Unable to Open Mouth is Trismus.

What is trismus?
A person with trismus is unable to open the mouth normally. This may be due problems with the jaw joint, muscles used to chew, or from localized swelling in the mouth and throat.

What other symptoms can be seen with trismus?
People with trismus may also have facial pain, facial swelling, numbness in the face, excessive drooling, sore throat, difficulty swallowing, difficulty speaking, fever, chills, and swollen lymph glands in the neck.

How does the doctor treat trismus?
Treatment for trismus depends on the underlying cause. Trismus that is due to infections is often treated with antibiotics.

Continue to Unable to Open Mouth Underlying Cause

FreeMD is provided for information purposes only and should not be used as a substitute for evaluation and treatment by a physician. Please review our terms of use.