See specific pages on excessive weight loss in the first two weeks of life, neonatal jaundicefaltering growth and excessive crying in the breastfed baby. Also see pages on chronic health problems, when a breastfeeding baby or child is admitted to hospital, and breastfeeding as analgesia during painful procedures.

Breastfeeding and gastroenteritis

  • Breastfeeding should continue during gastroenteritis, unless triggering persistent vomiting. Oral rehydration solution may be necessary in addition to breastfeeding if there is clinical dehydration. Intravenous fluid may be necessary in addition to breastfeeding if this fails, or the child is shocked. See the NICE guideline

  • If the baby or child is keen to feed but this is triggering vomiting, some suggest expressing milk off directly before feeding (feeding on an 'empty breast') so the baby is having less volume intake but still getting comfort and some hydration

  • As an alternative to an oral rehydration solution fluid challenge, some suggest a timed breastfeeding fluid challenge. For example, a one minute feed at the breast and then a five minute pause (with distraction), followed by a two minute feed and gradually increase the feeding periods until the vomit-drink copiously-vomit cycle is broken.

  • Although breastfeeds cannot be directly measured, you can still rely on urine output and clinical markers of dehydration when monitoring fluid balance

  • If a baby or young child is breastfeeding significantly less than usual then the parent’s breasts will feel uncomfortably full – this can be elicited in the history as a marker of reduced intake

  • Note that temporary lactose intolerance can be seen after severe gastroenteritis, due to damage to the intestinal villi. This is will give symptoms of diarrhoea, bloating and potentially abdominal pain. Breastmilk contains lactose regardless of the parent's diet. Breastfeeding can continue if symptoms can be tolerated, with an explanation that they are temporary while the gut heals. If this is not acceptable to the family then the baby will need lactose-free formula temporarily - if breastfeeding is to continue after this the parent will need to express milk during the period of no breastfeeding.

Breastfeeding with respiratory illness

​Children with acute respiratory problems such as bronchiolitis may struggle to coordinate breastfeeding and breathing or be too breathless to manage to feed orally. They may need nasogastric feeding while acutely unwell (sometimes with fluid restriction), or intravenous fluids. However, skin to skin and brief comfort feeds should be possible in all but the sickest babies and may also help to stabilise the child physiologically. Normal breastfeeding can be resumed once the baby is well enough, and there is no need to aim for any target of tolerance of expressed milk by bottle or nasogastric feeding beforehand. Many families report stopping breastfeeding or switching to mixed feeding because of their child's hospitalisation for bronchiolitis. Improving support during the hospitalisation may help - see separate page on expressing while direct breastfeeds are restricted.

Other problems

Candidal infection in the mouth or nappy may be seen incidentally in a baby presenting acutely for another reason. Remember that NICE Clinical Knowledge Summary recommends that the breasts be treated at the same time as the infant, to prevent re-infection. Ensure the parent receives a topical prescription, for example the CKS recommends miconazole 2% cream to be applied to the nipples after every breastfeed for 2 weeks. The miconazole gel that the infant may be prescribed cannot also be used on the nipples as it is not designed for topical administration.


Thank you for visiting the Hospital Infant Feeding Network. This website is a repository of relevant knowledge and best practice resources for health professionals. To join the conversation, ask questions and share your experiences please join us on Facebook or Twitter.


We will be running Q&A sessions on various topics, which will be advertised on our social media sites. Please email if you have ideas or want to get more involved. We welcome health professionals passionate about supporting breastfeeding and lactation in the hospital setting to join our steering group, please get in contact if this is you!

You may have noticed that we use 'additive' language on our website to refer to lactation and human milk feeding. This means that we might refer to 'breastfeeding/chestfeeding'. Chestfeeding is a term that some non-binary people use to refer to feeding their child at the chest if the word breast is not congruent with their gender identity. Using additive language helps reduce a feeling of exclusion for non-binary and transgender people, without taking away from the importance of words like breastfeeding and mother. There is a much more detailed description of the additive approach here.

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