Excessive sweating or perspiration on only one side of the body.
From Greek 'hemi-' (half) + 'dia' (through) + 'phoresis' (carrying). The term literally means 'half-sweating' and describes an asymmetrical condition of perspiration.
Hemidiaphoresis can be a clue to serious conditions like stroke or nerve damage—your body sometimes tells doctors which side is injured by sweating unevenly!
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