What is Cortrosyn?

Cortrosyn is a synthetic hormone used by doctors to diagnose adrenal gland problems, such as Addison's Disease. Cortrosyn is also known by its generic name, cosyntropin. Cortrosyn is used as part of an ACTH stimulation test. ACTH (adrenocorticotropic hormone) is a hormone naturally produced in the pituitary gland that stimulates the body to release cortisol. Cortrosyn is the man-made version of ACTH. During an ACTH test, your doctor will inject you with Cortrosyn and measure your adrenal glands' reaction to this substance.

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