What is shaken baby syndrome?

Written by Yuppo Lab Experts.

Updated 27 October 2026

Shaken baby syndrome, part of abusive head trauma, is serious brain injury caused by violently shaking a baby or striking their head. It can lead to blindness, seizures, lasting disability or death, and inconsolable crying is the most common trigger.

Key takeaways

  • It is entirely preventable.
  • Crying is normal and peaks around 2 months.
  • Everyone who cares for your baby should know how to cope with crying.

What you can do

  • If crying becomes too much, put your baby on their back in a safe cot, leave the room and take a few minutes to calm down.
  • Call a friend, relative or helpline for support.
  • Share this information with every caregiver.

When to talk to your doctor

If you think a baby has been shaken, call your local emergency number straight away, even if they seem fine; signs include vomiting, extreme sleepiness, irritability, breathing problems or seizures.

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