Symptoms
Common signs:
- Sudden shortness of breath
Less common
- Chest pain
- Coughing blood
- Leg swelling
When to get medical care
Call 911Sudden shortness of breath, chest pain, or coughing blood: call 911.
Get care todayNew or worse symptoms, or symptoms with fever.
See a doctor soonSymptoms that last or keep coming back.
Causes
Clots.
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
- Surgery
- Long travel
- Pregnancy
Possible complications
Diagnosis
Hospital tests.
Tests
Tests, if needed:
- CT scan:
Treatment
Get care.
Medicines
Medicines that may help:
| Medicine | Helps with | Good to know |
|---|---|---|
| Blood thinners | Clots |
OwieClear doesn't give doses: follow the label or your healthcare professional. Medicine names here are examples, not a full list.
Prevention
To prevent:
- Move during long trips
Which doctor treats this
- Emergency doctors treat it first, in the ER.
- They may send you to a pulmonologist (lung doctor).
Living with it
Support groups and helplines
- American Lung Association: Lung HelpLine 1-800-586-4872 and Better Breathers support groups.
Back to school, work, or sports
- Recovery time varies. Ask your care team when you can drive, lift, work, and exercise.
Pregnancy and breastfeeding
- If you're pregnant or planning to be, tell your prenatal provider about this condition.
- This condition needs closer checkups during pregnancy. Plan ahead with your doctor.
- 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.
For caregivers
- Go to visits when you can and take notes.
- Keep a list of medicines, allergies, and doctors in one place.
- Learn the warning signs that need fast care.
- Learn CPR. Many hospitals and the Red Cross offer classes.
- Take breaks and ask for help. Caregivers need care too.
Outlook
Treatment saves 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 my symptoms?
- 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 Blood clot in the lung (pulmonary embolism)
Sources
Last updated 2026-11-12.