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A 37-year-old member asked:

What is the cause of pyloric stenosis?

2 doctor answers8 doctors weighed in
Dr. Troy Reyna
Pediatric Surgery 45 years experience
Unknown: We have known how to diagnose and teat pyloric stenosis since 1904, but we still do not know the cause or how to prevent it.
Dr. Gerald Mandell
Nuclear Medicine 53 years experience
Not known for sure: Causes are unknown, but some genetic and environmental factors probably. Higher rates among certain families and offspring of mothers who with pyloric stenosis.Pyloric stenosis occurs more often in males than in females.Early antibiotic use in infants and during pregnancy of mothers may play role.3 out of 1,000 babies in US.4 x more in 1st born males.If in parent then infant 20% chance

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A 41-year-old member asked:

What is pyloric stenosis?

3 doctor answers7 doctors weighed in
Dr. Charles Breaux
Pediatric Surgery 40 years experience
Stomach exit blockag: In a baby with hypertrophic pyloric stenosis (HPS), the circular pyloric muscle fibers which regulate the emptying of the stomach become swollen ("muscle-bound") usually between 2 and 8 weeks' age. The pyloric channel becomes blocked, and fluid cannot exit the stomach. The baby has progressive projectile nonbilious vomiting which can cause dehydration and weight loss if uncorrected.

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Last updated Sep 30, 2020

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