| Absolute | Relative |
| • Active gastrointestinal ulceration | • History of ulceration or dyspepsia |
| • Hypersensitivity | • Children over 12 years old |
| • Thrombocytopenia | • Bleeding disorders |
| • Warfarin treatment | |
| Absolute | Relative |
| • Active gastrointestinal ulceration | • History of ulceration or dyspepsia |
| • Hypersensitivity | • Children over 12 years old |
| • Thrombocytopenia | • Bleeding disorders |
| • Warfarin treatment | |