Symptom Information: Sort according to HPO 

1
(HPO:0001871) Abnormality of blood and blood-forming tissues 37 / 7739
2
(HPO:0001939) Abnormality of metabolism/homeostasis 328 / 7739
3
(OMIM) Myelosuppression develops on standard doses of thiopurine drugs 1 / 7739
4
(OMIM) Hematopoietic toxicity develops on standard doses of thiopurine drugs 1 / 7739
5
(OMIM) Decreased activity of thiopurine S-methyltransferase 1 / 7739
6
(OMIM) Decreased metabolism of thiopurine drugs 1 / 7739
7
(OMIM) Increased toxic thioguanine nucleotides (TGNs) on standard doses of thiopurine drugs 1 / 7739
8
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739