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 Immunotoxin

Medically reviewed by Min Clinic Staff | Updated: January 2026

Immunotoxin: A hybrid molecule created by coupling an antibody or antigen with part or all of a toxin. The hybrid molecule combines the specificity of the antibody or antigen with the toxicity of the toxin. The possible targets of immunotoxins include cancer cells and cells containing HIV.