Our expert says:
It is impossible to comment in this case without a thorough examination. You need to see your ENT as soon as you are back, as the change in voice implies a possible connection to the laryngeal area. He will require an examination of the glottis, and other possible ways to examine the swallowing mechanism, or to image the throat/ esofagus. This may include a barium swallow, if your doctor sees the need for that. It would be important to find a reason for the problem in his case.
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