Lactose intolerance natural history, complications and prognosis

	Lactose Intolerance Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mahda Alihashemi M.D. [2]

Overview

If left untreated, [#]% of patients with [disease name] may progress to develop [manifestation 1], [manifestation 2], and [manifestation 3].

OR

Common complications of [disease name] include [complication 1], [complication 2], and [complication 3].

OR

Prognosis is generally excellent/good/poor, and the 1/5/10-year mortality/survival rate of patients with [disease name] is approximately [#]%.

The symptoms of lactose intoelrance usually develop after age of 6 and start with symptoms such as:^[1]^[2]^[3]
- Abdominal pain
- Flatulence
- Bloating
- Watery, frothy and bulky diarrhea

Common complications of lactose intolerance include if left untre
- Osteopenia
- Osteoporosis
- Malnutrition

↑ Szilagyi A (2015). "Adult lactose digestion status and effects on disease". Can J Gastroenterol Hepatol. 29 (3): 149–56. PMC 4399375. PMID 25855879.
↑ Suarez FL, Savaiano DA, Levitt MD (1995). "A comparison of symptoms after the consumption of milk or lactose-hydrolyzed milk by people with self-reported severe lactose intolerance". N. Engl. J. Med. 333 (1): 1–4. doi:10.1056/NEJM199507063330101. PMID 7776987.
↑ Mattar R, de Campos Mazo DF, Carrilho FJ (2012). "Lactose intolerance: diagnosis, genetic, and clinical factors". Clin Exp Gastroenterol. 5: 113–21. doi:10.2147/CEG.S32368. PMC 3401057. PMID 22826639.