You may be asked to avoid strenuous physical activity the day before a urine free cortisol level test.
Be sure to drink enough fluids during the 24-hour urine test to prevent dehydration.
Many medicines may change the results of this test. Be sure to tell your doctor about all the nonprescription and prescription medicines you take.
Talk to your doctor about any concerns you have regarding the need for the test, its risks, how it will be done or what the results will mean.
© Healthwise, Incorporated.