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Have nausea
Loss of appetite
Bloating
Vomiting blood
Stomachache
Stomach tenses when pressed lightly
Nauseous
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What is Pyloric Stenosis?
Abnormal narrowing of the stomach exit. It affects babies between birth and 6 months of age and causes forceful, projectile vomiting that can lead to dehydration. Risk factors include male gender, preterm birth, and smoking during pregnancy.
Typical Symptoms of Pyloric Stenosis
- Nausea or vomiting after eating
- Stomach or abdominal pain with the abdomen becoming hard when gently pressed
- Unable to gain weight
- Vomiting blood
- Nausea or vomiting
- Vomiting vigorously after feeding
- Abdominal bloating
- Yellowish eyes or skin
Diagnostic Questions for Pyloric Stenosis
Your doctor may ask these questions to check for this disease:
- Do you experience nausea or vomiting after eating?
- Do you have stomach or abdominal pain with your abdomen becoming hard when gently pressed?
- Is your weight gain slower than others your age?
- Have you vomited blood?
- Have you been experiencing nausea or vomiting?
Treatment of Pyloric Stenosis
The usual treatment is surgery to widen the stomach exit. The specialist will advise you whether an open (traditional) or keyhole surgery is more suitable. Fluids may be given through a needle in the vein if the baby is dehydrated before the surgery.
Reviewed By:
Unnati Patel, MD, MSc (Family Medicine)
Dr.Patel serves as Center Medical Director and a Primary Care Physician at Oak Street Health in Arizona. She graduated from the Zhejiang University School of Medicine prior to working in clinical research focused on preventive medicine at the University of Illinois and the University of Nevada. Dr. Patel earned her MSc in Global Health from Georgetown University, during which she worked with the WHO in Sierra Leone and Save the Children in Washington, D.C. She went on to complete her Family Medicine residency in Chicago at Norwegian American Hospital before completing a fellowship in Leadership in Value-based Care in conjunction with the Northwestern University Kellogg School of Management, where she earned her MBA. Dr. Patel’s interests include health tech and teaching medical students and she currently serves as Clinical Associate Professor at the University of Arizona School of Medicine.
Aiko Yoshioka, MD (Gastroenterology)
Dr. Yoshioka graduated from the Niigata University School of Medicine. He worked as a gastroenterologist at Saiseikai Niigata Hospital and Niigata University Medical & Dental Hospital before serving as the Deputy Chief of Gastroenterology at Tsubame Rosai Hospital and Nagaoka Red Cross Hospital. Dr. Yoshioka joined Saitama Saiseikai Kawaguchi General Hospital as Chief of Gastroenterology in April 2018.
Content updated on Mar 31, 2024
Following the Medical Content Editorial Policy
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People with similar symptoms also use Ubie's symptom checker to find possible causes
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See full list
Symptoms Related to Pyloric Stenosis
Diseases Related to Pyloric Stenosis
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Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1References
Letton RW Jr. Pyloric stenosis. Pediatr Ann. 2001 Dec;30(12):745-50. doi: 10.3928/0090-4481-20011201-09. PMID: 11766203.
https://journals.healio.com/doi/10.3928/0090-4481-20011201-09Pandya S, Heiss K. Pyloric stenosis in pediatric surgery: an evidence-based review. Surg Clin North Am. 2012 Jun;92(3):527-39, vii-viii. doi: 10.1016/j.suc.2012.03.006. Epub 2012 Apr 20. PMID: 22595707.
https://www.sciencedirect.com/science/article/abs/pii/S0039610912000564?via%3DihubDinkevich E, Ozuah PO. Pyloric stenosis. Pediatr Rev. 2000 Jul;21(7):249-50. doi: 10.1542/pir.21-7-249. PMID: 10878190.
https://publications.aap.org/pediatricsinreview/article-abstract/21/7/249/61590/Pyloric-Stenosis?redirectedFrom=fulltextPyloric Stenosis - Nationwide Children's
https://www.nationwidechildrens.org/conditions/pyloric-stenosis#:~:text=is%20Pyloric%20Stenosis%3F-,Pyloric%20stenosis%20is%20a%20problem%20that%20affects%20babies%20between%20birth,is%20known%20as%20the%20pylorus.