| Reason | n |
| Attacks ceased | 9 |
| Patient concern over taking tablets | 3 |
| Rash | 1 |
| Deranged liver-function tests | 1 |
| Patient read that allopurinol can precipitate an acute attack | 1 |
| Temporary measure during an acute attack | 1 |
| Rectal bleeding | 1 |
| Continued attacks | 1 |
| Only taken during chemotherapy (never for gout) | 1 |
| Patient did not know | 2 |