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Assists by producing an efficient rhythmic cough by relieving a phlegmy, rattling cough. Phlegm may rattle in the chest and be difficult to cough up. Respiratory tract may be overloaded with mucus, with a tendency to swallow or desire to spit out mucus after coughing. Phlegmy cough may also be described as loose, gagging, choking, noisy, explosive, tenacious or difficult to raise. NOTE: A cough is a healing mechanism which should never be suppressed, but rather encouraged and completed.