Myositis, rhabdomyolysis and compartment syndrome complicating influenza A in a child.

A previously fit and healthy 8-year-old boy died following severe complications of influenza A. He developed lethargy and vomiting before presentation. On presentation to medical attention, on day 4 of his illness, he was in extremis and had extensive myositis, rhabdomyolysis, renal failure and compartment syndrome, which were resistant to supportive medical management.