A member asked:

Can lactose intolerance symptoms always occur between 30 minutes and 2 hours?

3 doctors weighed in across 2 answers

No: The primary symptoms of lactose intolerance are boosting, nausea, gas, loose stools and cramping. These symptoms can persist for hours to days after lactose consumption.

Answered 1/14/2012

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Lactose intolerance: Typically within 30-120 minutes after ingestion but symptoms can persist or recur within any time frame, up to 24 hours, after ingestion.

Answered 8/18/2016

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