A member asked:

Used stool occult test. constipated both times. i only used very small amount of stool (golf ball or less) to test from. will that effect results?

A doctor has provided 1 answer

Yes: Occult blood test requires a smear of stool only. Constipation if causing tissue scratching can make it positive and certain chemicals like vitamin c can cause false + test.

Answered 12/23/2013

4.7k views

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