Dextromethorphan (DXM):A common ingredient found in many over-the-counter cough suppressants, which acts on the brain to reduce the urge to cough.
Reflex:An automatic response or action triggered by a stimulus, in this case, the reflex that causes us to cough when there is irritation in our throat or airways.
Dosage: The specific amount of medication prescribed or recommended for use at one time. Proper dosage is essential for safe and effective use of any medication.