A member asked:

Dry mouth constant drinking water all day and night rhumathologist thought it was sjgren's syndrome test came back a no.positive ana though ?

4 doctors weighed in across 2 answers

Kidney test: If you have not already done so, get with your physician and see whether you can concentrate your urine above specific gravity 1.020. We want to rule diabetes insipidus (pituitary, renal) in or out; i trust your general medical labs are unremarkable and you are not diabetic.

Answered 9/6/2013

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See below: When sjogren's antibodies are negative, a minor salivary biopsy can be performed to confirm whether or not you have sjogren's.

Answered 9/9/2013

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