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Pyloromyotomy is surgery to cut and loosen a narrowed pylorus caused by pyloric stenosis.


The week before your baby's surgery:

  • Write down the date, time, and location of your child's surgery.
  • When you take your child to see his caregiver, bring a list of his medicines or the medicine bottles. Tell caregivers if your child uses herbs, food supplements, or over-the-counter medicine. If your child is allergic to any medicine, tell his caregiver.
  • Ask your baby's healthcare provider if your baby needs to stop using certain medicines before his surgery.
  • Your baby may need blood or urine tests before his surgery. He may also need an ultrasound or x-rays. Talk to your baby's healthcare provider about these or other tests he may need. Write down the date, time, and location for each test.

The night before your baby's surgery:

Ask caregivers about directions for eating and drinking.

The day of your baby's surgery:

  • Ask your baby's healthcare provider before you give your baby any medicine on the day of his surgery. Bring a list of all the medicines your baby takes, or his pill bottles, with you to the hospital.
  • You or a close family member will be asked to sign a legal document called a consent form. It gives caregivers permission to do the procedure or surgery on your child. It also explains the problems that may happen, and your choices. Make sure all your questions are answered before you sign this form.
  • Healthcare providers may put an IV tube into your baby's vein. Your baby may be given liquids and medicine through the IV.
  • An anesthesiologist will talk to you and your child before the surgery. Your child may need medicine to keep him asleep or numb an area of his body during surgery. Tell caregivers if anyone in your family has had a problem with anesthesia in the past.


What will happen:

Your baby's surgeon will make small incisions in your baby's abdomen. He may go through your baby's belly button. He will cut the thick, tight pylorus muscle and spread it apart so food can pass through. The incision will be closed with medical tape.

After your baby's surgery:

Your baby will be taken to a room to rest until he is fully awake. He will be monitored closely for any problems. He will then be able to go home or be taken to his hospital room.


  • Your baby cannot make it to his surgery.
  • Your baby has a fever.
  • Your baby has a cold or the flu.
  • You have questions or concerns about your baby's surgery.

Seek Care Immediately if

  • Your baby's symptoms get worse.


Your baby may bleed more than expected or get an infection. Your baby could develop pneumonia. His stomach, intestines, or other nearby organs may be damaged. The pylorus muscle could grow thick again and block your baby's intestines. Your baby may need surgery again.

Care Agreement

You have the right to help plan your child's care. Learn about your child's health condition and how it may be treated. Discuss treatment options with your child's caregivers to decide what care you want for your child.

© 2016 Truven Health Analytics Inc. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes. All illustrations and images included in CareNotes® are the copyrighted property of A.D.A.M., Inc. or Truven Health Analytics.

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.