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Stereotypies (repeated movements)

Also called: Stereotypies, hand flapping, body rocking, repetitive movements

Repeated movements like hand flapping, rocking, or head nodding, often when excited, bored, or focused. They're common in young children and in autism and are usually harmless.

Common inYoung children, autism
TreatmentUsually none

Overview

Movements often start before age 3 and happen with excitement or deep focus.

Unlike tics, stereotypies are usually rhythmic and can stop when the child is distracted.

Symptoms

Common signs:

  • Repeated hand flapping or rocking

Less common

  • Head nodding
  • Finger wiggling

Look up a symptom: Differences in social communication, strong routines, or sensitivity to sounds or textures · Sudden repeated movements or sounds (tics)

When to get medical care

Call 911This isn't an emergency by itself. Call 911 for trouble breathing, chest pain, or fainting.
Get care todayMovements causing injury.
See a doctor soonMovements with delays or lost skills.

Causes

Unknown.

Does it spread or run in families?

  • It isn't contagious. You can't catch it from someone else.

Who is more likely to get it

  • Autism

Possible complications

Diagnosis

A clinician observes.

The exam

Development check.

Treatment

Usually no treatment.

Self-care

  • Don't punish
  • Redirect if it causes harm
  • Let harmless movements happen
  • Offer a fidget toy if movements cause problems at school
  • Watch for injuries

Behavior therapy if it interferes.

Prevention

To lower your risk or prevent problems:

  • None needed

Which doctor treats this

  • Start with your primary care provider (family doctor or internist).
  • They may send you to a neurologist (brain and nerve doctor).

Back to school, work, or sports

  • Most people keep up normal school and work. Rest when you need to.

Children, pregnancy, and older adults

  • Autism: Movements can help with self-regulation.

Pregnancy and breastfeeding

  • If you're pregnant or planning to be, tell your prenatal provider about this condition.
  • Don't start or stop any medicine on your own. Some are safe in pregnancy and some need to be changed.
  • Ask before taking any pain reliever. The FDA advises avoiding ibuprofen and naproxen after 20 weeks unless your doctor says to.
  • Breastfeeding: Most medicines are fine, but ask. The NIH LactMed database lists what's known about each one.

Outlook

Harmless.

Many decrease with age.

Getting ready for your visit

Bring a list of your symptoms and medicines.

Questions to ask

  • Is this a tic or a stereotypy?
  • Does my child need a development check?

Research studies

Research studies test new ways to find and treat health problems. Some are looking for volunteers. Talk with your doctor before joining one.

Search ClinicalTrials.gov for studies on Stereotypies (repeated movements)

Sources

Last updated 2026-11-12.