Codeine
Chemical formula: C₁₈H₂₁NO₃ Molecular mass: 299.364 g/mol PubChem compound: 5284371
Active ingredient description
Codeine is a centrally acting weak analgesic. Codeine exerts its effect through μ opioid receptors, although codeine has low affinity for these receptors, and its analgesic effect is due to its conversion to morphine. Codeine, particularly in combination with other analgesics such as paracetamol, has been shown to be effective in acute nociceptive pain. The anti-tussive activity of codeine is probably due to its depressant effect on the medullary cough centre in the brain.
Medicine classification
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
| ATC Group | Classification | |
|---|---|---|
| R05DA04 | Codeine | R Respiratory system → R05 Cough and cold preparations → R05D Cough suppressants, excl. combinations with expectorants → R05DA Opium alkaloids and derivatives |
Product monographs
Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):
| Document | Type | Information Source | |
|---|---|---|---|
| CODEINE PHOSPHATE Tablet | MPI, EU: SmPC | Medicines and Medical Devices Safety Authority (NZ) | |
| CODANT Tablet | MPI, EU: SmPC | Health Products Regulatory Authority (IE) |
Structural formula
External identifiers
Medicines
Codeine is an active ingredient of these brands:
Australia (AU)
Brazil (BR)
Canada (CA)
Croatia (HR)
Cyprus (CY)
Ecuador (EC)
Estonia (EE)
Finland (FI)
France (FR)
Germany (DE)
Hong Kong (HK)
Ireland (IE)
Israel (IL)
Italy (IT)
Lithuania (LT)
Malta (MT)
Mexico (MX)
New Zealand (NZ)
Poland (PL)
Romania (RO)
Singapore (SG)
South Africa (ZA)
Spain (ES)
Tunisia (TN)
Turkey (TR)
United Kingdom (UK)
United States (US)
Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide. |
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