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 Nadir
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Nadir: The lowest point. The nadir may refer, for example, to the lowest blood count after chemotherapy or the lowest concentration of a drug in the body.
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