 [ Symptoms ] i am the only family member who got a flu shot and i have the flu and they do not what could explain this [ Disease ] to be honest i would have this checked out chronic tmj disorders can be caused by an injury like the one you describe it is even possible you suffered a small fracture at any rate the sooner you have it checked out the more effective treatment might be at heading off ongoing problems you do not need to rush to the emergency room but you might call your primary care provider for an evaluation he or she might want to take an x ray just to be sure there is no break your provider also can give you more specific information about the prognosis good luck to you the examination might include pressing on palpating the jaw muscles for soreness or asking the patient to open and close the jaw in in most cases x rays and mri scans of the temporomandibular joint will be normal  in many cases the cause of pain in the tmj area is temporary and disappears without treatment <link>