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What does it mean when your cortisol levels are low

A 44-year-old member asked:
Dr. Cayce Jehaimi
Pediatric Endocrinology 21 years experience
Collection time ?: Well it depends on the time of when your cortisol level was checked. Maximal level of cortisol is usually between 5:00a-8:00am with the lowest (nadir)... Read More
Dr. David Geffner
Endocrinology 54 years experience
Perhaps Addison's: It also depends on the time of day the blood is drawn - if you had a blood test. Salivary cortisol levels are worthless for diagnosing hypoadrenalism.... Read More

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A 38-year-old member asked:
Dr. Philip Kern
Endocrinology 43 years experience
Addison's disease: A very low cortisol could be addison’s disease, but this is relatively rare, and “low cortisol” is way over-diagnosed; the term “adrenal fatigue” is ... Read More
A member asked:
Dr. Philip Kern
Endocrinology 43 years experience
Cortisol tests: In normal people cortisol goes up and down throughout the day, although it is higher in am than in pm. Therefore, it is hard to define what is "low". ... Read More
A 30-year-old female asked:
Dr. Philip Kern
Endocrinology 43 years experience
ACTH/cortisol: These sound like normal values, but the most important question is "why were these tests done"? ACTH and cortisol bounce around all day long, general... Read More
A 48-year-old member asked:
Dr. Liesa Harte
Family Medicine 29 years experience
Low Cortisol: Cortisol is produced by the adrenal glands. It is called the stress hormone, and is produced in response to either a physical stress or a mental stre... Read More
A 30-year-old female asked:
Dr. Donald Colantino
Internal Medicine 61 years experience
You don't mention what symptoms you experience. I think your morning cortisol level is low raising the concern of adrenal insufficiency. I recommend c... Read More
A 48-year-old member asked:
Dr. Thomas Knecht
A Verified Doctoranswered
A US doctor answeredLearn more
Complex: Hi. "Low cortisol" could be normal or sign of disease. I must assume your doctor checked cortisol because of some symptoms you've been having & ... Read More
A 31-year-old member asked:
Dr. Quang Nguyen
Specializes in Endocrinology
How high?: It depends on how high it is above normal? If mildly elevated and if you don't have symptoms of cushing's syndrome: fat at mid section, stretch marks... Read More
A 23-year-old male asked:
Dr. David Sneid
Endocrinology 41 years experience
It is probably: normal. If it was deficient, you would have no need for high blood pressure medication. Discuss w/your doctor.
A 41-year-old female asked:
Dr. Matt Wachsman
Internal Medicine 36 years experience
Can it b lower?: The < sign implies that is lower than the lab can measure. That would be suppressed! and imply depression.

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