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Thyroid Diseases

Test for Adrenal Insufficiency

12/04/2006

Question:

My partner has had to deal with unrelenting fatique for years. Though he has seen many doctors, the cause has not yet been identified. What blood tests or other tests would best show if he has adrenal insufficiency?

Answer:

The test most often used involves injecting a medication called "cosyntropin" into a vein and then measuring serum cortisol levels before and 30 and 60 minutes after the injection.

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Response by:

Thomas A Murphy, MD, FACP, FACE Thomas A Murphy, MD, FACP, FACE
Associate Professor of Medicine
School of Medicine
Case Western Reserve University