What muscle relaxant can be used for a stiff jaw?

A common muscle relaxant that can be used for a stiff jaw is cyclobenzaprine. It helps relieve muscle spasms and tension, which can contribute to jaw stiffness. However, it's essential to consult a healthcare professional before using any medication, as they can provide guidance based on individual health needs and conditions. Other treatments, such as physical therapy or stress management, may also be beneficial.