More than a week ago, while I was washing the rice cooker, there was sudden pain around my left jaw. Since then, I couldn't fully close my mouth to chew my food properly and had to nibble instead. Also, I couldn't open my mouth to the fullest without feeling pain. After searching the internet, I suspect that I have Temporomandibular Joint (TMJ) Syndrome. Based on symptoms as stated by Emedicinehealth , I have only 2 out of 7 stated symptoms, which are Pain in the facial muscles and jaw joints may radiate to the neck or shoulders. Joints may be overstretched. You may experience muscle spasms from TMJ syndrome. You may feel pain every time you talk, chew, or yawn. Pain usually appears in the joint itself, in front of the ear, but it may move elsewhere in the skull, face, or jaw and lead to headaches, dizziness, and even migraines. When the joints move, you may hear sounds, such as clicking, grating, and/or popping. Others may also be able to hear the sounds. Clicking and p...