Febrile young infants with abnormal urine dipstick at low risk of invasive bacterial infection.

Objectives: To develop and validate a prediction rule to identify well-appearing febrile infants aged ≤90 days with an abnormal urine dipstick at low risk of invasive bacterial infections (IBIs, bacteraemia or bacterial meningitis).

Design: Ambispective, multicentre study.

Setting: The derivation set in a single paediatric emergency department (ED) between 2003 and 2017.

[Severe neutropenia as side effect of medical treatment in nontuberculous mycobacterial adenitis].

Non-tuberculous mycobacterial adenitis is getting more common in our environment. Epidemiologic studies and clinical trials published nowadays are limited. We present a 2-years-old boy diagnosed of Mycobacterium intracellulare adenitis and severe neutropenia as side effect of combined treatment with oral azythromycin and rifabutin, which recovers after suspending the second one.