Sweat testing is the most reliable test for cystic fibrosis. It measures the amount of chloride (a component of salt) in the sweat. Sweat testing lasts less than an hour and is painless — there …

Read about the sweat test for cystic fibrosis from Cleveland Clinic. Learn how the test is used to diagnose the disease, and what the results mean.

A sweat test measures the amount of chloride in your sweat. A high level of chloride may be a sign of cystic fibrosis (CF), a genetic disorder. Learn more.

Sweat test ... The sweat test measures the concentration of chloride that is excreted in sweat. It is used to screen for cystic fibrosis (CF). [1] Due to defective chloride channels (CFTR), the …

Apr 25, 2023 · Sweat testing is the standard method for diagnosing cystic fibrosis. People with cystic fibrosis have higher amounts of sodium and chloride in their sweat that are detected by …

The sweat test is used as a means to establish, or exclude, a diagnosis of cystic fibrosis. Find out why it’s used for diagnosis, what the test involves and more.

Mar 20, 2025 · During the sweat test, medicine that causes a person to sweat is applied to the skin (usually on the arm or thigh). The sweat is then collected and the amount of chloride in …

What happens during a sweat test? The sweat test determines the amount of chloride in the sweat. There are no needles involved in the procedure. In the first part of the test, a colorless, …

May 9, 2023 · The sweat test can help doctors to diagnose cystic fibrosis. Learn about how it works, who might need it, and what test results can mean.

During the sweat test, medicine that causes a person to sweat is applied to the skin (usually on the arm or thigh). The sweat is then collected and the amount of chloride in the sweat is …