Cosyntropin
Cosyntropin Hexahydrate is a synthetic analog of adrenocorticotropic hormone (ACTH) primarily used as a diagnostic agent to assess adrenal gland function through the cosyntropin stimulation test. It stimulates the adrenal cortex to produce cortisol and is used to diagnose adrenal insufficiency disorders and congenital adrenal hyperplasia.
A synthetic ACTH analog used diagnostically to evaluate adrenal function and diagnose adrenal insufficiency.
Key facts at a glance
- RxNorm
- 1653802
- Generic
- Cosyntropin Hexahydrate
- Class
- pin-variant
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Diagnosing primary and secondary adrenal insufficiency, evaluating adrenal gland function, and screening for congenital adrenal hyperplasia.
Acts as a synthetic analog of ACTH, binding to receptors in the adrenal cortex and stimulating the production and release of cortisol and adrenal androgens.
Administered as an IV or IM injection during diagnostic testing. Should be used with caution in patients with known allergies to cosyntropin or its components. Results interpretation requires clinical correlation.
Official drug label
WellAlly may earn a referral fee from linked resources at no extra cost to you. Editorial content is never influenced by commercial relationships.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy