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Primary ciliary dyskinesia

Also called: Primary ciliary dyskinesia, PCD

An inherited condition where airway hairs don't work, causing daily wet cough, sinus and ear infections.

TreatmentAirway clearance

Overview

Tiny hairs (cilia) in the airways don't move mucus out, so infections keep happening.

Some people have organs on the opposite side of the body.

Symptoms

Common signs:

  • Daily wet cough
  • Cough with mucus most days

Less common

  • Sinus infections
  • Ear infections
  • Infertility

When to get medical care

Call 911This isn't an emergency by itself. Call 911 for trouble breathing, chest pain, or fainting.
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:

  • Nasal nitric oxide:
  • Gene test:

Treatment

Treatment depends on the cause and how severe it is.

Self-care

  • Daily airway clearance

Prevention

To lower your risk or prevent problems:

  • Vaccines

Which doctor treats this

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

Living with it

Support groups and helplines

Children, pregnancy, and older adults

  • Newborns: Breathing trouble at birth can be an early sign.

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

Daily care keeps lungs healthier.

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?

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 Primary ciliary dyskinesia

Sources

Last updated 2026-11-12.