HomeAnswersChild Healthformula feedingWhy does my 3.5 months old vomit after taking formula milk?

My 3.5 months old baby vomits after we feed him formula milk. Why?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Answered by

Dr. Deepak Patel

Medically reviewed by

iCliniq medical review team

Published At May 27, 2017
Reviewed AtJanuary 17, 2024

Patient's Query

Hello doctor,

Hope you are doing well. I want to ask a question about my 3.5 months old baby. I feed him both breast milk and formula milk. But whenever I feed him formula milk, after 20 to 30 minutes, he starts to cry a lot, becomes fussy, and vomits that milk. After vomiting, he feels relaxed. I have tried giving him Similac and Nan Pro 1. Please help. Thank you in advance.

Answered by Dr. Deepak Patel

Hi,

Welcome to icliniq.com. I can understand your concerns.

Breast milk is easier to digest, and as a result, there is no problem of abdomen pain or vomiting. The reasons of vomiting after formula milk could be the following:

  1. You are giving more than the appetite of the child. Since you are also giving breast milk, the amount of formula milk should be less. Give a small amount of formula milk than what you are giving now. The weight at 3.5 months is around 9.9 pounds, if your child's weight is good, you can decrease the amount of formula milk.
  2. Similac will be better than Nan Pro 1 in this situation. Similac will be easier to digest.
  3. Do burp for at least 10 minutes after every feed.
  4. Give Yamoo drops, it contains lactase enzymes, which helps in digestion of formula milk. Mix 4 to 5 drops of Yamoo drops in three tablespoons of milk and mix well for 10 minutes. This will decrease abdominal pain and vomiting.

The main reason that I feel is that you are giving more amount of formula milk than what the child actually requires. Decrease the amount of formula milk.

I hope this will help you. Take care.

Patient's Query

Hello doctor,

Thank you for replying. He is also constipated, that is why I started giving him Nan Pro 1. Someone suggested that to me.

Answered by Dr. Deepak Patel

Hi,

Welcome back to icliniq.com.

Nan Pro 1 has lactogen, and some children develop lactose intolerance, leading to vomiting and abdominal pain. In this condition, lactose-free milk is given like Similac or Zerolac. I suggest giving Similac.

Take care.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Deepak Patel
Dr. Deepak Patel

Child Health

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