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Eustachian Tube Dysfunction can be caused by large adenoids, allergies, or a cold. This dysfunction can cause crackling or popping noises in our ears. The tube is lined with moist mucosa, and inflamed Eustachian tubes often get sticky, which causes the crackling and popping noises when the tubes are moving around. If the inflammation is serious, it can be easily treated with steroid nasal sprays.
Something inside of the ear: Sometimes earwax or even a hair can get lodged in the ear, so you may experience popping when it vibrates. Removing the foreign object or earwax can offer relief. Eustachian tube dysfunction: The Eustachian tube connects the throat to the middle ear. When the lining of the tube becomes inflamed, any movement in the area causes ear popping. Temporo-mandibular joint (TMJ) disorder: TMJ disorder can create sounds that seem to come from the ear, but are actually due to the disorder.