Type of azathioprine intolerance | n | Proportion with mercaptopurine tolerance (%) | Type of mercaptopurine intolerance | Proportion of patients where intolerance of mercaptopurine same as for azathioprine (%) | |||||
80/137 (58%) | GI Intolerance | Flu-like illness | Hepatotoxicity | Neutropenia | Pancreatitis | Other | 30/55 (55%) | ||
GI Intolerance* | 67 | 44/67 (66%) | 14 | 2 | 0 | 5 | 2 | 0 | 14/23 (61%) |
Flu-like illness | 35 | 14/35 (40%) | 4 | 10 | 3 | 2 | 0 | 2 | 10/21 (48%) |
Hepatotoxicity | 18 | 11/18 (61%) | 1 | 1 | 2 | 2 | 0 | 1 | 2/7 (29%) |
Neutropenia | 4 | 3/4 (75%) | 0 | 0 | 0 | 1 | 0 | 0 | 1/1 (100%) |
Pancreatitis | 3 | 2/3 (67%) | 0 | 0 | 0 | 0 | 1 | 0 | 1/1 (100%) |
Other† | 8 | 6/8 (75%) | 0 | 0 | 0 | 0 | 0 | 2 | 2/2 (100%) |
Unknown | 2 | 0/2 (0%) | 1 | 1 | 0 | 0 | 0 | 0 | NA |