What is it when your jaw starts to lock up when you go to eat?

When your jaw starts to lock up while eating, it may be a sign of a condition known as temporomandibular joint disorder (TMJ). This can result from various factors, including stress, teeth grinding, or misalignment of the jaw. Other potential causes could include Arthritis or injury to the jaw. If the problem persists, it's advisable to consult a healthcare professional for proper diagnosis and treatment.