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Dwarfism (achondroplasia and other skeletal dysplasias)

Also called: Achondroplasia, dwarfism, skeletal dysplasia

Genetic bone growth conditions causing short stature. Most people live full lives with good care.

TreatmentMonitoring, vosoritide

Overview

Achondroplasia is the most common type of dwarfism.

Children need regular checks for breathing, ears, and spine.

Symptoms

Common signs:

  • Short stature

Less common

  • Bowed legs
  • Ear infections

When to get medical care

Call 911Breathing pauses in a baby.
Get care todayNew or worse symptoms, or symptoms with fever.
See a doctor soonSymptoms that last or keep coming back.

Causes

Genes.

Does it spread or run in families?

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

Diagnosis

A clinician asks about your symptoms and may order tests.

The exam

A physical exam.

Tests

Tests, if needed:

  • Gene test:

Treatment

Treatment depends on the cause and how severe it is.

Self-care

  • Regular checkups
  • Keep spine and ear checkups

Prevention

To lower your risk or prevent problems:

  • Genetic counseling

Which doctor treats this

  • Start with your primary care provider (family doctor or internist).
  • They may send you to a medical geneticist (genetics doctor).

Living with it

Support groups and helplines

Children, pregnancy, and older adults

  • Families: Little People of America offers support.
  • Babies: Often found before birth.

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

Most people live full, healthy lives.

Most live full lives.

Getting ready for your visit

Bring a list of your symptoms and medicines.

What to bring

  • A list of your medicines and supplements
  • Notes on when symptoms started and what makes them better or worse

Questions to ask

  • What's causing this?
  • What treatment do you recommend?
  • Is vosoritide right for my child?

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 Dwarfism (achondroplasia and other skeletal dysplasias)

Sources

Last updated 2026-11-12.