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How to treat temporomandibular joint (tmj) headaches 
See a doctor first. 
If you commonly experience headaches connected to certain symptoms, then you are probably suffering from a tmj-related headache. For instance, you may hear popping or clicking sounds when you open or close your mouth.
You may also have pain in your face. Your jaw may be stiff, and consequently, you may have trouble opening or closing your mouth.