Can Newborns Drink Water? Addressing Constipation in Formula-Fed Babies

Newborns drinking water?

Hello Doctor, my baby is currently 10 days old and is exclusively formula-fed, drinking about 60-80 cc of Snow Brand formula every 4 hours.
He hasn't had a bowel movement for two consecutive days and has been straining without success.
On the third night, I used a cotton swab dipped in petroleum jelly to stimulate his anus, which resulted in a bowel movement, but the stool was very dry and hard, resembling goat feces.
He cried while passing it, and he has developed an anal fissure.
I've seen that formula-fed babies can easily become constipated, so I wanted to ask if it's really okay to give him some water between feedings.
I'm worried about the risk of water intoxication since he is so small.
If it's safe, how much water should I give him? I've been massaging his belly twice a day, but it only seems to help with gas.

Xiao Fang, 30~39 year old female. Ask Date: 2015/12/02

Dr. Xiao Kaiwen reply Pediatrics

Breast milk is already rich in nutrients and water, which is sufficient for a ten-day-old newborn.
However, after feeding, you can let the baby take a sip or two of water to rinse their mouth, with the aim of cleaning the oral cavity.
You may first try some physical methods, such as massaging the baby's belly to increase intestinal motility, using petroleum jelly to lubricate a thermometer or cotton swab to stimulate the anus, or trying a different brand of formula.
Constipation is not necessarily caused solely by dehydration, so it is essential for parents to seek a physician's evaluation.

Reply Date: 2015/12/02

More Info

When it comes to newborns and their hydration needs, especially in the context of constipation, it's essential to understand the delicate balance of their nutritional and fluid intake. For infants under six months, particularly those who are exclusively formula-fed, the general consensus among pediatricians is that they do not require additional water. This is primarily because formula milk already contains a significant amount of water, which is sufficient to meet their hydration needs.
In your case, your baby is ten days old and consuming formula every four hours. If your baby is producing 6-8 wet diapers a day and the urine is light in color, this indicates that they are adequately hydrated. The concern about water intoxication is valid; newborns have immature kidneys that cannot handle excessive fluid intake, which can lead to a dangerous condition known as water intoxication. This condition can cause an electrolyte imbalance and potentially lead to serious health issues.

Regarding your baby's constipation, it's not uncommon for formula-fed infants to experience this issue. The dry, hard stools you described suggest that your baby may be struggling with bowel movements. While some parents consider giving small amounts of water to alleviate constipation, it is generally not recommended for infants under six months. Instead, there are alternative methods to help relieve constipation:
1. Tummy Massage: Continue with gentle tummy massages to stimulate bowel movements. You can try moving your hands in a circular motion on your baby's abdomen, which can help encourage digestion.

2. Bicycle Legs: Gently moving your baby's legs in a cycling motion can also help stimulate their intestines.

3. Warm Bath: A warm bath can relax your baby and may help them have a bowel movement.

4. Dietary Adjustments: If your baby is on formula, consider discussing with your pediatrician the possibility of switching to a different formula that may be easier for your baby to digest. Some formulas are specifically designed to help with constipation.

5. Consult Your Pediatrician: If constipation persists or if your baby is in distress, it's crucial to consult your pediatrician. They may recommend safe interventions or evaluate if there's an underlying issue.

If your baby is experiencing significant discomfort or if you notice any signs of distress, such as crying during bowel movements or blood in the stool, seek medical advice promptly.
In summary, while it may be tempting to give your newborn water to help with constipation, it is generally not advisable for infants under six months. Instead, focus on other methods to alleviate constipation and ensure that your baby is comfortable. Always consult with your pediatrician for personalized advice tailored to your baby's specific needs.

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