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A member asked:
I drink a lot of water throughout the day. my random urine osmolality was 910 mosml/kg. my random urine sodium was 90 mmol/l. my serum sodium is always on the low normal range and has been mildly low at times. is this siadh?
A doctor has provided 1 answer
You have asked this question many times. SIADH has to be ruled out when serum sodium is low and urine osmolality is high. With appropriate antidiuretic hormone function, the kidneys should be able to get rid the water, i.e. dilute the urine (osmolality of less than 100) when serum sodium is low. Medications, thyroid or adrenal problem can be the causes besides the occult source of ADH as cancer.
Answered 7/12/2023
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Related Questions
A member asked:
Urine sodium level was 47mEq/L (one sample), yet sodium in blood serum was in normal range. Should I be concerned with the high urine sodium?
A doctor has provided 1 answer
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Hello - serum sodium 142; spot random urine sodium 47 mmol/L. Specific gravity 1.024. All other blood/urine w/i ref range. Concerns? Thanks!
A doctor has provided 1 answer
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I'm passing urine around 8 times per day(past 48 hrs) and normally i only go once or twice and i drink around one glass of water per day . The urine pale yellow-colourless. What are the causes?
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