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The principal symptom of lactose intolerance is an adverse reaction to products containing lactose, primarily milk.
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These may include abdominal bloating and cramps, flatulence, diarrhea, nausea, borborygmi, and vomiting, particularly in adolescents. Symptoms appear one-half to two hours after consumption.[1]
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The severity of symptoms typically increases with the amount of lactose consumed.
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Most lactose-intolerant people can tolerate a certain level of lactose in their diets without ill effects.[2][3]
References edit
- ^ "Lactose Intolerance". NIDDK. June 2014. Archived from the original on 25 October 2016. Retrieved 25 October 2016.
- ^ Savaiano DA, Levitt MD (February 1987). "Milk intolerance and microbe-containing dairy foods". Journal of Dairy Science. 70 (2): 397–406. doi:10.3168/jds.S0022-0302(87)80023-1. PMID 3553256.
- ^ Mądry E, Krasińska B, Woźniewicz MG, Drzymała-Czyż SA, Bobkowski W, Torlińska T, Walkowiak JA (2011). "Tolerance of different dairy products in subjects with symptomatic lactose malabsorption due to adult type hypolactasia". Gastroenterology Review. 5: 310–315. doi:10.5114/pg.2011.25381.