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What is the purple crying theory?

Published in Infant Development 3 mins read

The "purple crying theory" actually refers to The Period of PURPLE Crying, which isn't a theory, but rather an evidence-based program explaining a normal phase of increased crying in infants. It's important to understand it's not a condition or disease, but a typical part of a baby’s development.

Understanding the Period of PURPLE Crying

This period of crying is characterized by specific traits, which are helpful for new parents to understand:

Feature Description
Peak of Crying Crying increases, peaking around 2 months of age.
Unexpected Crying can come on suddenly, without apparent reason.
Resists Soothing The baby may not be easily soothed, even with usual comfort methods.
Pain-like Face Babies may look like they're in pain even when they are not.
Long Bouts Crying episodes can last for several hours.
Evening The crying often happens more in the late afternoon and evening.

Key Points About the Period of PURPLE Crying

  • Normal Development: It is crucial to recognize that this period of crying is a normal, developmental phase, and not a result of something you are doing wrong.
  • Age Range: The crying typically begins around 2 weeks of age, peaks in the second month, and decreases between the third and fifth months.
  • Not a Disease: The crying is not a sign of illness or colic, although it can be frustrating for parents.
  • Importance of Understanding: Understanding the PURPLE crying period can help parents manage stress and avoid shaken baby syndrome.

Why is it important to understand PURPLE Crying?


  • Prevents Misunderstandings: Helps parents understand their baby is not necessarily sick or in pain when they are crying inconsolably during this period.
  • Reduces Parental Stress: Knowing this is a phase helps alleviate anxiety and feelings of inadequacy in parents.
  • Decreases the Risk of Shaken Baby Syndrome: The frustration of prolonged crying can lead to dangerous reactions, such as shaking a baby. Understanding PURPLE crying can help mitigate this risk.
  • Promotes Healthy Coping: Encourages parents to find healthy ways to manage their stress and care for their baby safely.

How To Cope With PURPLE Crying:

  • Check basic needs: Ensure the baby is not hungry, tired, or needs a diaper change.
  • Try calming techniques: Swaddling, gentle rocking, white noise, or a pacifier.
  • Take breaks: If feeling overwhelmed, put the baby in a safe place (like a crib) and step away to calm down.
  • Seek support: Reach out to family, friends, or a healthcare professional.

The Period of PURPLE Crying is an important concept for all parents to be aware of. It provides a framework for understanding and coping with increased crying in early infancy, which ultimately contributes to the safety and well-being of the baby. The program emphasizes education and awareness so parents know that this crying is a normal developmental phase and not something they are doing incorrectly.

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