This brand name is authorized in Singapore
The drug METOPHAN contains one active pharmaceutical ingredient (API):
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1
Demorphan
UNII 7355X3ROTS - DEXTROMETHORPHAN
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Dextromethorphan is a non-opioid antitussive drug. The major metabolite of dextromethorphan, dextrorphan, binds with high affinity to σ-receptors to produce its antitussive activity without exhibiting the classic opiate effects that occur from binding into μ- and δ-receptors. In larger than therapeutic doses, dextrorphan is also an antagonist of N-methyl-D-aspartate (NMDA) receptors. |
This drug has been classified in the anatomical therapeutic chemical (ATC) classification system as follows:
| ATC code | Group title | Classification |
|---|---|---|
| R05DA09 | Dextromethorphan | R Respiratory system → R05 Cough and cold preparations → R05D Cough suppressants, excl. combinations with expectorants → R05DA Opium alkaloids and derivatives |
This drug has been assigned below unique identifiers within the countries it is being marketed:
| Country | Identification scheme | Identifier(s) |
|---|---|---|
| Country: SG | Health Sciences Authority | Identifier(s): 08789P |
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