RT Journal Article SR Electronic T1 Co-trimoxazole red cell aplasia in leukaemia. JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 85 OP 87 DO 10.1136/adc.62.1.85-a VO 62 IS 1 A1 Unter, C E A1 Abbott, G D YR 1987 UL http://adc.bmj.com/content/62/1/85.1.abstract AB A 4 year old boy with acute lymphoblastic leukaemia developed a pure red cell aplasia 13 months after entering remission and while on maintenance chemotherapy. Co-trimoxazole was also being administered for prophylaxis against Pneumocystis carinii infection. When co-trimoxazole was stopped the red cell aplasia resolved.