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 Dander

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Dander: Tiny scales shed from human or animal skin or hair. Dander floats in the air, settles on surfaces, and makes up a good portion of household dust. Cat dander is a common cause of allergic reactions.

Need Expert Advice on Your Condition?

Get a personalized video breakdown and treatment plan from our senior neurosurgeons using your MRI/CT scans.

👉 Request MRI Review