Over-the-counter cough suppressants

Definition

Medications that can be purchased without a prescription and are used to relieve cough symptoms. They often contain active ingredients such as dextromethorphan (DXM) to suppress the reflex that triggers coughing.

Related terms

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.