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 ...

Lockjaw occurs when chewing muscles spasm, restricting the opening of the mouth. Diagnosis may involve a physical exam, blood tests, and imaging like CT scans or MRIs. Mild cases of lockjaw can be ...

Have you been struggling with jaw pain, finding it hard to open or close your mouth, or experiencing uncomfortable cramping in your jaw? These symptoms might be signs of a condition called locked jaw, ...