20 Over-the-Counter Cold Remedies: What Works, What Doesn't
A hacking cough is one of the most disabling symptoms of cold or flu, and suppressants containing dextromethorphan (abbreviated as "DM") may be able to help a little bit. But keep in mind that a cough can be part of the natural healing process. "It's your lungs saying to your brain, 'We've got to get this stuff out of here,'" says Dering-Anderson. "You can't turn off a cough and expect to get better." Related Can't Stop Coughing? 8 Possible Reasons
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