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 Philtrum
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Philtrum: The area from below the nose to the upper lip. Normally the philtrum is grooved. In fetal alcohol syndrome, the philtrum is flat.