Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Sepsis, neonatal

Medically reviewed by Min Clinic Staff | Updated: January 2026

Sepsis, neonatal: A serious blood bacterial infection in an infant less than 4 weeks of age. Babies with sepsis may be listless, overly sleepy, floppy, weak, and very pale. Treatment involves urgent administration of antibiotics and intravenous fluids.