| codeine → Causes → drowsiness | 0.52 | |
| codeine → Causes → constipation | 0.46 | |
| codeine → Causes → addiction | 0.37 | |
| codeine → Causes → nausea | 0.37 | |
| codeine → Causes → side effects | 0.27 | |
| codeine → Causes → respiratory depression | 0.25 | |
| codeine → Causes → vomiting | 0.20 | |
| codeine → Causes → breathing problems | 0.16 | |
| codeine → Causes → opioid tolerance | 0.16 | |
| codeine → Causes → poisoning | 0.16 |