Inflammation: Inflammation in the eustachian canal (connect inner ear with nasopharynx) can result in the trapping of liquid in the inner ear and sinuses, resulting in the "crunchy" sound. Middle ear problems can lead to motion sickness. Try a decongestant and nasal saline washes to help clear the "fullness". Talk to a doctor if it persists or if you develop a fever or pain as it may have become infected.
Answered 8/4/2020
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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