What is a sweat test?

Also known as: chloride sweat test.

The sweat test is a medical test that helps in the diagnosis of cystic fibrosis. The sweat test measures the amount of chloride present in the sweat. People with cystic fibrosis have more chloride in their sweat than those who do not have CF.

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Reviewed by: Antonio Rodriguez, MD

This page was last updated on: 1/29/2019 3:21:13 PM