Torticollis in infants with neonatal abstinence syndrome.

Objective: To report the incidence of torticollis diagnosed in infants treated for neonatal abstinence syndrome (NAS) and compare neonates with and without torticollis.

Study Design: This prospective cohort study reports on infants examined at 1-4 months of age. Numerous obstetrical/newborn factors and other drugs used during gestation were compared.