Mental Health & Substance Use

Tolerance

What does Tolerance mean?

A state in which a larger dose is needed to achieve an effect previously produced by a smaller dose.

U.S. National Library of Medicine
Understanding Medical Words ↗ National Cancer Institute
Cancer Terms Dictionary ↗ CDC
Vaccine Glossary ↗

This is a plain-language Healthway explanation, not an individual diagnosis. The meaning of a term can change with the clinical context in which it appears.