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The throat discomfort can be as a result of dryness of the throat due to your anxiety
. I would advice you to drink plenty of normal or warm water to reduce the symptoms. There can be alteration in the heart rate
when the blood pressure varies during anxiety episodes. At present there does not seem to be any throat problem with you. Your anxiety can actually make you feel all these things. Relax and enjoy the life.
Dr. Naveen Kumar