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That can happen when a capsule gets stuck for a while in the food pipe.
The discomfort will take a couple of more days to subside.
The discomfort is due to irritation causing inflammation of the mucosa.
I would suggest that she takes a soft diet, warm but not hot, cold diet like ice cream and cold drinks will hasten the recovery.
Yes, an ant acid will also help if she is experiencing heart burn.
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