21. List of adverse events.
| Adverse events | Paracetamol | Placebo |
| Nausea | 21 | 11 |
| Vomiting | 11 | 3 |
| Nausea and/or vomiting, stomach cramps, abdominal pain | 3 | 3 |
| Headache | 47 | 31 |
| Drowsiness, sleepiness, somnolence | 36 | 13 |
| Dizziness, fainting, syncope | 9 | 4 |
| Bleeding | 11 | 7 |
| Chills, flushes, fever, flu‐like symptoms | 5 | 0 |
| Paraesthesia | 4 | 2 |
| Jawache | 1 | 0 |
| Swelling | 1 | 6 |
| Cellulitis | 1 | 0 |
| Dry socket | 11 | 12 |
| Surgical complications | 6 | 13 |
| CNS | 5 | 6 |
| GI | 12 | 2 |
| Body as a whole | 8 | 3 |
| Respiratory | 2 | 0 |
| Psychiatric | 0 | 1 |
| Other, hiccups, hearing/vestibular, miosis, | 5 | 1 |