Hurts to Open Mouth Wide
Free Symptom Checker
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Reviewed By:

Maxwell J. Nanes

Maxwell J. Nanes, DO (Emergency department)

Dr Nanes received a doctorate from the Chicago College of Osteopathic Medicine and went on to complete a residency in emergency medicine at the Medical College of Wisconsin. There he trained at Froedtert Hospital and Children's Hospital of Wisconsin in the practice of adult and pediatric emergency medicine. He was a chief resident and received numerous awards for teaching excellence during his time there. | | After residency he took a job at a community hospital where he and his colleagues worked through the toughest days of the COVID-19 pandemic. |

Yoshinori Abe

Yoshinori Abe, MD (Internal medicine)

Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.

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Content updated on Jan 4, 2023

About the symptom

Trismus, often known as lockjaw, is a painful condition that occurs when the jaws do not fully open. Trismus can cause difficulty with eating, speaking, and oral hygiene in addition to producing pain.

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Headache

  • Fever

Related serious diseases

  • Mumps

    A highly contagious infection caused by the mumps virus.

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 due to pain?

  • Do you have a fever?

  • Do you have a runny nose?

  • Do you have a cough?

  • Do you have phlegm?

Other Related Symptoms

Similar symptoms or complaints

Reviewed By:

Maxwell J. Nanes

Maxwell J. Nanes, DO (Emergency department)

Dr Nanes received a doctorate from the Chicago College of Osteopathic Medicine and went on to complete a residency in emergency medicine at the Medical College of Wisconsin. There he trained at Froedtert Hospital and Children's Hospital of Wisconsin in the practice of adult and pediatric emergency medicine. He was a chief resident and received numerous awards for teaching excellence during his time there. | | After residency he took a job at a community hospital where he and his colleagues worked through the toughest days of the COVID-19 pandemic. |

Yoshinori Abe

Yoshinori Abe, MD (Internal medicine)

Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.

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