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Why is my baby's skin blue?

ANSWER

There are two reasons why the blood under your baby's skin might look blue:

  1. The lungs are not getting enough oxygen. Since oxygen is what makes blood turn red, blood cells without oxygen remain blue (cyanosis).
  2. The underlying blood is moving sluggishly, so the normal veins underneath that carry blue, oxygen-poor blood back to the heart are more noticeable.

From: When Your Baby's Skin Looks Blue WebMD Medical Reference

SOURCES:

Kliegman R., et al. . 19th edition. Saunders: Philadelphia, 2012. Nelson Textbook of Pediatrics

Reviewed by Dan Brennan on July 19, 2019

SOURCES:

Kliegman R., et al. . 19th edition. Saunders: Philadelphia, 2012. Nelson Textbook of Pediatrics

Reviewed by Dan Brennan on July 19, 2019

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What are tips for concerned parents of a baby with skin that looks blue?

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