Lockjaw (trismus) is a painful condition that limits your ability to open your mouth all the way. It occurs when the muscles you use to chew spasm, meaning they can’t relax completely. The term ...

Jenna Sinatra shares her exciting life on social media. However, in a video she posted, Sinatra is heading to the emergency room. After she yawned, the New Jersey woman says she suddenly found herself ...

An 11-year-old boy’s painful chronic lockjaw may have been triggered by conversion disorder, a mental health condition that causes physical symptoms, according to a case report published on April 7 in ...