Alternative Names for Dextromethorphan
Dextromethorphan is also known as "DXM" and is marketed under brand names such as Delsym®, among other over-the-counter cough suppressant preparations. 1, 2
Common Nomenclature
DXM is the widely recognized abbreviation for dextromethorphan, particularly in medical literature and among users 2, 3
Dextromethorphan hydrobromide is the full chemical name of the active pharmaceutical ingredient 1
Dextromethorphan polistirex is the extended-release formulation used in products like Delsym®, which provides 12-hour cough relief 1
Brand Name Products
Delsym® is a prominent brand name for extended-release dextromethorphan polistirex oral suspension 1
Dextromethorphan is available in more than 140 over-the-counter cough and cold preparations, often in combination with antihistamines, decongestants, and expectorants 4, 2
Clinical Context for Non-Productive Cough
For patients with non-productive cough and no underlying respiratory conditions, dextromethorphan is the preferred first-line pharmacological antitussive due to its superior safety profile compared to codeine-based alternatives 5, 6
The optimal dose for maximum cough suppression is 60 mg, which is higher than standard over-the-counter dosing of 10-15 mg three to four times daily 5, 6
Simple home remedies like honey and lemon should be considered before pharmacological treatment, as they may be equally effective for benign viral cough 5, 6