- Anxiety suppression
- Cognitive euphoria
- Compulsive redosing
- Constipation
- Cough suppression
- Difficulty urinating
- Itchiness
- Pain relief
- Physical euphoria
- Pupil constriction
- Respiratory depression
- Sedation
Aliases: dhc
opioid habit-forming depressant
A weak semi-synthetic opioid analgesic and antitussive (anti-cough) drug. Often sold as a syrup in combination with aspirin or paracetamol. Not to be confused with the slightly less potent codeine.