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 MAB
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
MAB: Or mab. Abbreviation for monoclonal antibody. At the end of a generic drug name, -mab indicates that the drug is a monoclonal antibody. As in adalimumab, bevacizumab, infliximab, rituximab, and trastuzumab.