Can infant lactose intolerance cause bloody stools?

Written by Quan Xiang Mei
Pediatrics
Updated on September 10, 2024
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When infants experience lactose intolerance, there is a possibility of bloody stools. With lactose intolerance, infants will exhibit symptoms such as an increased frequency of bowel movements, diarrhea, and bloating. If the frequency of bowel movements is particularly high, for instance more than ten times, or even more, especially over a prolonged period, the gastrointestinal function of the infant is not very perfect. An increase in bowel movements can exacerbate damage to the gastrointestinal mucosa, potentially leading to bloody stools. Additionally, when the frequency of bowel movements is very high, it could lead to damage to the perianal skin, which might also result in bloody stools. Or, when an infant has lactose intolerance, if they are also suffering from other viral or bacterial infections in the gastrointestinal tract, the likelihood of bloody stools may increase. Therefore, if we consider that an infant has lactose intolerance, it is crucial to promptly add lactase for treatment and to switch to a different formula for oral administration.

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Written by Tong Peng
Pediatrics
1min 6sec home-news-image

What are the effects of lactose intolerance in infants?

Lactose intolerance in children primarily causes an imbalance in the gut microbiome, leading to digestive system symptoms such as bloating, diarrhea, and abdominal pain. The main mechanism is the insufficient secretion of lactase in the baby's intestines, which fails to digest and absorb lactose in food, resulting in symptoms of lactose intolerance. In such cases, the intake of probiotics orally and reducing the intake of foods containing lactose can be helpful. If the baby is fed with formula or breast milk, taking lactase orally or switching to lactose-free formula milk for feeding can be considered. If the child has already started on solid foods, halt the intake of dairy products and simply continue feeding with solid foods, such as porridge, noodles, or rice flour. If a baby shows signs of lactose intolerance, it is crucial to monitor for symptoms of dehydration. If there are signs like poor skin turgor, low energy, or reduced urine output, it is essential to seek medical attention promptly from a specialist to manage and prevent the aggravation of dehydration symptoms.

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home-news-image
Written by Quan Xiang Mei
Pediatrics
1min 12sec home-news-image

Can infant lactose intolerance cause bloody stools?

When infants experience lactose intolerance, there is a possibility of bloody stools. With lactose intolerance, infants will exhibit symptoms such as an increased frequency of bowel movements, diarrhea, and bloating. If the frequency of bowel movements is particularly high, for instance more than ten times, or even more, especially over a prolonged period, the gastrointestinal function of the infant is not very perfect. An increase in bowel movements can exacerbate damage to the gastrointestinal mucosa, potentially leading to bloody stools. Additionally, when the frequency of bowel movements is very high, it could lead to damage to the perianal skin, which might also result in bloody stools. Or, when an infant has lactose intolerance, if they are also suffering from other viral or bacterial infections in the gastrointestinal tract, the likelihood of bloody stools may increase. Therefore, if we consider that an infant has lactose intolerance, it is crucial to promptly add lactase for treatment and to switch to a different formula for oral administration.

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Written by Huang Gang
Gastroenterology
34sec home-news-image

Does lactose intolerance definitely not lead to weight gain?

Lactose intolerance does not necessarily affect body weight. Lactose intolerance merely causes symptoms like diarrhea, abdominal pain, and bloating when consuming regular formula or cow's milk. If one consumes hydrolyzed formula or lactose-free milk powder, these symptoms, such as diarrhea, do not occur, and nutrients can be fully digested and absorbed. By ensuring adequate nutrition, this can lead to weight gain and obesity, rather than causing a person to be underweight.

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Written by Wu Hai Wu
Gastroenterology
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How to deal with nausea from lactose intolerance?

Patients with lactose intolerance who experience nausea can consider using some medications for symptomatic treatment. For example, they can use meclozine orally or by muscle injection. They may also use medications that promote gastric motility, such as domperidone, mosapride, and itopride, to treat impaired gastric motility. Patients with lactose intolerance may also experience bloating, vomiting, abdominal pain, diarrhea, and constipation. Appropriate symptomatic treatments can be taken according to different symptoms. Lactose intolerance, if due to a secondary disease such as Crohn's disease or ulcerative colitis, requires active treatment of the primary disease. (The use of medications should be under the guidance of a professional doctor.)

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Written by Wu Hai Wu
Gastroenterology
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Lactose intolerance lacks what enzyme?

Lactose intolerance is caused by a deficiency of lactase, which can lead to diarrhea when consuming dairy products. Thus, patients with this condition should avoid consuming milk powder, cow's milk, goat's milk, etc. If they must consume dairy, they should choose products that have been specially processed. Patients with lactose intolerance can drink rice soup, thin porridge, millet congee, and similar foods. It is also important for these patients to maintain dietary hygiene, avoid overeating, and avoid binge eating. Eating small, frequent meals to ensure a steady supply of nutrients is recommended.