Ibuprofen | 400 mg (1 dose) | 80 adults | 80% at 4 hours, 70% at 6 hours |

| 400 mg (1 dose) | 20 adults | 47% at 2 hours |

| 200 mg (1 dose) | 18 adults | 32% at 2 hours |

| 10 mg/kg (1 dose) | 78 children (3.5–12.5 y) | 25% at 2 hours, not significant at 6 hours |

| 10 mg/kg 3 times daily for 2 days | 153 children (6–12 y) | 56% at 2 days |

Aspirin | 800 mg plus caffeine, 64 mg (1 dose) | 139 adults | 75% at 1 hour |

| 800 mg (1 dose) | 137 adults | 55% at 1 hour |

| Aspirin containing gum | 20 men | 53% initially, 50% at 2 hours |

Niflumic acid | 1000 mg/day for 4–5 days | 230 adults | 17% at 2 days, 33% at 4 days |

Paracetamol | 1000 mg (1 dose) | 81 adults | 50% at 3 hours, 20% at 6 hours |

| 15 mg/kg (1 dose) | 77 children (3.5–12.5 y) | 31% at 2 hours, not significant at 6 hours |

| 10 mg/kg 3 times/day for 2 days | 154 children (6–12 y) | 34% at 2 days |

Oral rinse | Benzydamine HCl 0.15% 3 hourly | 51 patients (17–74 y) | 42% at 3 days |