While the clicking sensation in the ear is commonly related to issues with TMJ (Temporo-mandibular Joint/ Jaw
Joint); the pain
on the left side
of the neck
region could be related to spinal postural defects, injuries/ trauma, degenerations, growths/ masses, inflammations, neuro-muscular issues, issues with any of the internal neck structures such as the food pipe/ wind pipe etc, referred pain from other organs located in the chest.