When is this performed?
- To monitor the adequacy of steroid replacement in conditions like hypopituitarism and Addison`s disease
- To monitor the adequacy of drug control of Cushing`s syndrome
What does the test involve?
- The taking of blood samples to measure cortisol level.
Are there any side-effects?
- Usually none
How long does the test take and is admission to hospital required?
- The test takes about 8 hours and does not usually require admission
What should you tell your doctor? If you are taking steroid medication by any route: oral, topical, inhaled, injection.