Sudden infant death syndrome (SIDS) is the unexpected, unexplained death of a child less who is younger than one year of age. SIDS is rare during the first month of life. It peaks at 2 to 4 months of age, then gradually decreases.
The exact cause is not known. It may be linked to problems with the parts of the brain that control functions like breathing, waking, and heart rhythm.
Area of the brain involved in regulation of breathing.
Sudden infant death syndrome (SIDS). EBSCO DynaMed Plus website. Available at: https://www.dynamed.com/condition/sudden-infant-death-syndrome-sids. Accessed August 31, 2021.
Sudden infant death syndrome (SIDS). Kid's Health—Nemours Foundation website. Available at: http://kidshealth.org/parent/general/sleep/sids.html. Accessed August 31, 2021.
10/25/2016 DynaMed Plus Systematic Literature Surveillance. https://www.dynamed.com/condition/sudden-infant-death-syndrome-sids: SIDS and Other Sleep-Related Infant Deaths: Evidence Base for 2016 Updated Recommendations for a Safe Infant Sleeping Environment Rachel Y. Moon, Task Force on Sudden Infant Death Syndrome. Pediatrics Oct 2016, e20162940; DOI: 10.1542/peds.2016-2940 .
9/26/2017 DynaMed Plus Systematic Literature Surveillance. https://www.dynamed.com/condition/sudden-infant-death-syndrome-sids: Psaila K, Foster JP, et al. Infant pacifiers for reduction in risk of sudden infant death syndrome. Cochrane Database Syst Rev. 2017 Apr 5;4:CD011147.
Last reviewed July 2021 by
EBSCO Medical Review Board
Kari Kuenn, MD
Last Updated: 8/31/2021
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