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Indian J Gastroenterol. 1995 Jan;14(1):13-4.

Assessment of optimal dose of lactose for lactose hydrogen breath test in Indian adults.

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  • 1Department of Gastroenterology (SSGE), Post-Graduate Institute of Medical Education and Research, Chandigarh.

Abstract

To evaluate the possibility of using a 12.5 g or 25 g oral dose of lactose for hydrogen breath test for diagnosis of lactose intolerance instead of the usual 50 g dose. 35 patients with non-ulcer dyspepsia and an abnormal 50 g lactose breath hydrogen of more than 20 ppm over the base line were retested using 12.5 g and 25 g lactose. 32 (91.4%) and 15 (42.8%) of these 35 patients had an abnormal hydrogen breath test using 25 g (p = ns compared to 50 g dose) and 12.5 g (p < 0.001) lactose doses respectively. This study reveals that it may be possible to use a 25 g lactose dose instead of a 50 g dose for the lactose hydrogen breath test.

PMID:
7860110
[PubMed - indexed for MEDLINE]
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