Is Your Baby Always Hungry? Formula Feeding Needs - Pediatrics

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Babies tend to get hungry easily?


The baby is now over 40 days old and has not had breast milk, switching to Abbott formula.
If the baby gets hungry every 2 to 3 hours after consuming 120 ml, is this considered normal, or could it be an issue with the formula?

Li, 20~29 year old female. Ask Date: 2016/01/27

Dr. He Shenglong reply Pediatrics


Hello: If there are no special medical conditions, there should be no restrictions on milk supply.
According to your letter, the issue does not stem from the formula.
The method of breastfeeding differs from bottle feeding; babies can achieve better satisfaction through breastfeeding.
Therefore, after switching to formula, you may find that your baby seems hungrier.
I suggest gradually adjusting to feeding every 3-4 hours through interaction.
Additionally, be sure to pay attention to burping after feeding to avoid spitting up or vomiting.
Thank you for your letter!

Reply Date: 2016/01/27

More Info


When it comes to understanding the feeding needs of your baby, especially when transitioning from breast milk to formula, it's essential to consider several factors that can influence their hunger cues and feeding patterns. Your observation that your baby seems hungry every 2 to 3 hours after switching to formula is not uncommon, and there are several reasons for this.

Firstly, it's important to note that formula is digested differently than breast milk. Breast milk is typically easier to digest and is absorbed more quickly by the baby's system. This means that babies who are exclusively breastfed may feel satisfied for longer periods compared to those who are formula-fed. If your baby is consuming 120 ml (about 4 ounces) of formula every 2 to 3 hours, this is within the normal range for a baby of that age, especially if they are growing and gaining weight appropriately.

The general guideline for formula feeding is about 100 to 180 ml (3.4 to 6 ounces) of formula per kilogram of body weight per day. For example, if your baby weighs around 4 kg (approximately 8.8 lbs), they would need about 400 to 720 ml (13.5 to 24 ounces) of formula in a 24-hour period. If your baby is consuming around 120 ml every 2 to 3 hours, that would amount to roughly 480 to 720 ml in a day, which is within the recommended range.

Another factor to consider is the possibility of a growth spurt. Babies go through various growth spurts, often around 2 to 3 weeks, 6 weeks, and 3 months of age. During these times, they may seem hungrier than usual and may require more frequent feedings. This is a normal part of their development and usually stabilizes after a few days.

If your baby is consistently finishing their bottles and still seems hungry, it may be worth considering whether they are getting enough formula at each feeding. You might want to gradually increase the amount of formula per feeding if they seem to be finishing their bottles and still looking for more. However, it's crucial to do this carefully and consult with your pediatrician before making any significant changes to their feeding routine.

Additionally, ensure that you are preparing the formula correctly, as improper mixing can lead to either too concentrated or too diluted formula, which can affect your baby's hunger and overall nutrition. Always follow the instructions on the formula packaging for the correct water-to-powder ratio.

Lastly, keep an eye on your baby's overall behavior and development. If they are gaining weight appropriately, are alert, and are meeting developmental milestones, then their feeding pattern is likely normal for them. However, if you have concerns about their feeding habits or weight gain, it is always best to consult with your pediatrician for personalized advice and guidance.

In summary, it is normal for babies to seem hungry every 2 to 3 hours, especially when transitioning to formula. Monitor their intake, growth, and overall health, and consult with a healthcare professional if you have any concerns. Your baby's needs will evolve as they grow, and understanding these changes will help you provide the best care for them.

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