Group A Streptococcal Suppurative Arthritis and Osteomyelitis of the Shoulder With Brachial Plexus Palsy in a Newborn.

Osteoarticular infections in the newborn period are rare. A serious complication is paralysis of the affected extremity resulting from either pain or direct involvement of the nerve. We report a newborn with combined osteomyelitis and suppurative arthritis caused by Streptococcus pyogenes presenting with right brachial plexus palsy.