[Use of antipyretics in paediatric emergencies].

20 500 mm (neutrophils: 9200 mm). The comprehensive metabolic panel was normal. The levels of C-reactive protein and procalcitonin were 48.9 mg/L and 4.57 ng/mL, respectively. Since severe splenic sequestration was suspected, an urgent transfusion of red blood cell concentrate was performed, and intravenous (IV) rehydration therapy and empirical treatment with IV ceftriaxone were initiated. The patient had a favourable outcome, as he did not require further transfusions and his platelet levels recovered. After 6 days of receiving ceftriaxone and obtaining negative blood, urine and stool culture results and a positive result for rotavirus, intravenous antibiotic treatment was discontinued and prophylactic treatment with penicillin resumed. This patient is being treated with chronic exchange transfusions to maintain HbS levels below 30% (carrier levels) and is a candidate for splenectomy at 2 years of age to prevent recurrence, a measure that is still controversial but that is approved by current guidelines.