Symptoms of infant milk powder lactose intolerance

Written by Zhang Xian Hua

Pediatrics

Updated on September 08, 2024

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The symptoms of infant milk formula lactose intolerance typically manifest in the following areas:

Firstly, the most direct symptom is abnormal stool in infants, which looks poorly digested with more milk curds, and this is the most common direct symptom.

Secondly, the baby may experience increased gastrointestinal gas, bloating, abdominal pain, leading to restless sleep and irritability.

Furthermore, the baby may exhibit a decreased appetite and varying degrees of vomiting. Of course, most cases of infant lactose intolerance occur after an intestinal viral infection, so there may also be symptoms related to viral intestinal infections.

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Written by Tong Peng

Pediatrics

1min 11sec

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Can infant lactose intolerance be self-healing?

Whether infant lactose intolerance can self-heal needs to be identified as either congenital or secondary. If it is congenital lactose intolerance, it means that the baby's own intestines cannot produce lactase, and thus the symptoms of lactose intolerance cannot be alleviated. However, secondary lactose intolerance, such as that caused by chronic diarrhea or infection which leads to a reduction in lactase, can be recoverable. The reduction in lactase production caused by chronic diarrhea does not mean that the intestines have lost their normal function to secrete lactase. Therefore, by using lactose-free formula or avoiding foods containing lactose, the normal intestinal flora can be repaired, achieving relief from the symptoms of lactose intolerance. Additionally, if there is a viral infection, particularly rotavirus infection-induced lactose intolerance, it can also be alleviated through dietary adjustments to promote the repair of the intestinal flora. Therefore, the treatment of lactose intolerance should vary from person to person, and it is important to identify early whether it is primary or secondary.

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Written by Tong Peng

Pediatrics

1min 6sec

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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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Written by Yan Xin Liang

Pediatrics

59sec

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What should I do if the baby is lactose intolerant?

If the baby is lactose intolerant and does not have frequent bowel movements and it does not affect their growth and development, then no special treatment is needed. If there is frequent diarrhea and slow weight gain, then an adjustment in diet is necessary. If there is significant acute diarrhea accompanied by dehydration, we should initially rehydrate the infant either intravenously or orally to correct the dehydration. At the same time, you can start with some lactose-free formula and, after the diarrhea stops, gradually increase the amount of breast milk or other formulas based on the child's condition. Regardless of whatever food substitute is used, the overall principle is to not decrease the nutritional needs of the child. As solid foods are introduced and breast milk or cow's milk is decreased, diarrhea will gradually cease. If diarrhea does not subside, oral lactase enzyme preparations can also be provided to supplement lactase enzyme therapy.

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Written by Wu Hai Wu

Gastroenterology

49sec

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Can lactose intolerance cause eczema?

Lactose intolerance generally does not cause eczema in patients. Lactose intolerance can be divided into primary lactase deficiency, secondary lactase deficiency, and congenital lactase deficiency. Patients with lactose intolerance mainly experience symptoms such as abdominal pain, diarrhea, nausea, vomiting, increased bowel sounds, intestinal colic, and bloating. Some patients experience reduced intestinal motility, leading to constipation, and the severity of symptoms is related to the amount of dairy products consumed. Therefore, a small number of patients can tolerate a certain amount of dairy products without experiencing significant symptoms, and the specific tolerable amount varies from person to person.

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Written by Zhang Xian Hua

Pediatrics

43sec

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Symptoms of infant lactose intolerance

Lactose intolerance in infants is mostly due to lactose intolerance secondary to post-viral infections, with a small portion being primary lactose intolerance caused by low activity or lack of lactase. This leads to undigested lactose after consuming animal milk, resulting in a series of clinical symptoms. Common symptoms include changes in stool; for lactose-intolerant children, there are relatively more curds in the stool, and the stool is somewhat loose and poorly digested. Additionally, children with lactose intolerance often have poor digestive function, increased gastrointestinal gas, and sometimes experience bloating and abdominal discomfort, which can also affect the baby's sleep.