This brand name is authorized in Singapore
The drug PHENEXPECT CD contains a combination of these active pharmaceutical ingredients (APIs):
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1
Ammonium chloride
UNII 01Q9PC255D - AMMONIUM CHLORIDE
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2
Codeine
UNII GSL05Y1MN6 - CODEINE PHOSPHATE
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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. |
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3
Diphenhydramine
UNII TC2D6JAD40 - DIPHENHYDRAMINE HYDROCHLORIDE
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Diphenhydramine is an ethanolamine-derivative antihistamine. It is an antihistamine with anticholinergic and marked sedative effects. It acts by inhibiting the effects on H1-receptors. Diphenhydramine is effective in reducing sleep onset (i.e., time to fall asleep) and increasing the depth and quality of sleep. |
This drug has been classified in the anatomical therapeutic chemical (ATC) classification system as follows:
| ATC code | Group title | Classification |
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| R05FB01 | Cough suppressants and mucolytics | R Respiratory system → R05 Cough and cold preparations → R05F Cough suppressants and expectorants, combinations → R05FB Other cough suppressants and expectorants |
This drug has been assigned below unique identifiers within the countries it is being marketed:
| Country | Identification scheme | Identifier(s) |
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| Country: SG | Health Sciences Authority | Identifier(s): 06702P |
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