Can't open mouth fully

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Sanshiro Kato

Medically Reviewed By:

Sanshiro Kato, MD

Emergency department

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People with these symptoms also use Ubie's symptom checker to find possible causes

  • Difficulty in opening mouth

  • My mouth doesn't open fully

  • I can't open my mouth wide

  • Problems opening the mouth

  • Limited mouth opening

  • Can't open my mouth

  • Hard to open my jaw

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Content updated on May 23, 2022

When to See a Doctor

Seek professional care if you experience any of the following symptoms

  • Muscle weakness in the limbs

  • Fever

  • Peripheral cyanosis

  • Recent weight loss

  • Difficulty breathing / breathlessness

  • Blurring of vision

  • Alternating diarrhea and constipation

  • Dysphagia

  • Headache

Possible Causes

  • Temporomandibular arthrosis

    This is a degenerative condition that affects the jaw (temporomandibular) joint. There are changes and degeneration of bone structure, resulting in inflammation of the joint. The condition affects females more than males. Grinding or clenching of teeth, dislocations or fractures and genetics are risk factors.

  • Muscular dystrophy

    A group of diseases that cause progressive weakness and loss of muscle mass. In this condition, abnormal genes (mutations) interfere with the production of proteins needed to form healthy muscle.

  • Scleroderma

    This is a condition that causes skin hardening and can be divided into localized or widespread (systemic scleroderma). It is a disorder where the immune system mistakenly attacks it's own body.

  • Mucopolysaccharidosis

  • Schwarz-Jampel syndrome

Related Serious Diseases

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you have difficulty opening your mouth properly/fully?

  • Do you have a fever?

  • Do you have headaches or does your head feel heavy?

  • Do you have problems focusing or a reduced sense of awareness in your surroundings?

  • Do you feel any numbness or change in sensation?

Other Related Symptoms

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Sanshiro Kato

Medically Reviewed By:

Sanshiro Kato, MD

Emergency department

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