Dextromethorphan Polistirex Drug Information

If you have a cough, you may benefit from the drug dextromethorphan polistirex (Delsym®). This nonprescription cough medicine is a unique product, as it is the only 12-hour, over-the-counter (OTC) cough syrup available in the United States.
 
This medication works mostly in the brain. Specifically, it suppresses coughing by increasing the "cough threshold" in a specific area in the brainstem. Dextromethorphan polistirex is specially formulated to only release a portion of the active ingredient immediately after a dose, while the remaining portion is contained in specially coated particles that dissolve slowly.
 
Before starting treatment with dextromethorphan polistirex, make sure to review the safety information for this drug. For example, if you have a cough that is accompanied by phlegm, fever, a rash, or a persistent headache, this product may not be the best choice for you. Also, you may not be able to safely use this medicine if you have certain health conditions, such as asthma or emphysema.
 
(For more information about this drug, click Dextromethorphan Polistirex. This article offers details on the medication's safety and effectiveness, dosing guidelines, abuse potential, and more.)
 

Dextromethorphan Polistirex Drug Information

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