Lockjaw (trismus) happens when your jaw muscles tighten up so much that you can’t open your mouth properly. It's most often associated with tetanus, a dangerous infection from Clostridium tetani ...

Tetanus is a bacterial infection that affects your nervous system. From symptoms to treatment to prevention, get the basics on tetanus from the experts at WebMD.

A tight jaw can cause pain or discomfort in many parts of your body. Learn possible causes, exercises, and tips for relief and prevention.

About 10 days later he started feeling pain in his jaw and went to an urgent care center. They gave him medication but did not diagnose his condition or offer a tetanus shot, Elena Heck said.

Featured What Are the Treatments for Tetanus? If tetanus does develop, seek hospital treatment immediately. This includes wound care, a course of antibiotics, and an injection of tetanus antitoxin.

Tight jaw muscles often occur due to stress, anxiety, injury, or overusing the jaw joint. In other cases, it may signal a medical condition. Learn about causes of jaw tightness and ways to relieve ...

A 6-year-old boy who didn't receive childhood vaccinations nearly died after getting tetanus in Oregon's first pediatric case of this kind in decades.

An unvaccinated Oregon boy nearly died from tetanus, the first case of the bacterial infection in the state in 30 years, according to a CDC case report.

Tetanus, Diptheria, and Pertussis What is Tetanus, Diphtheria and Pertussis? Tetanus is caused by a germ that enters the body through a cut or a wound. Tetanus (Lockjaw) causes painful tightening of ...

Locked jaw is a disorder causing jaw muscle spasms, making it hard to open the mouth. Here are its causes and management tips.

Portland, Ore. -- An unvaccinated 6-year-old Oregon boy was hospitalized for two months for tetanus and almost died of the bacterial illness after getting a deep cut while playing on a farm ...