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Dextromethorphan (DXM) is a common over-the-counter cough suppressant found in many cold and flu products. It works by reducing activity in the part of the brain that triggers the cough reflex, offering temporary relief from dry, hacking coughs without treating the underlying illness
Dextromethorphan (DXM) is a common over-the-counter cough suppressant found in many cold and flu products. It works by reducing activity in the part of the brain that triggers the cough reflex, offering temporary relief from dry, hacking coughs without treating the underlying illness