Blood clot and DVT symptoms

New one-sided leg swelling, warmth, and pain — or sudden shortness of breath — can indicate a blood clot (DVT/PE). This is an emergency; go to the ER for immediate evaluation.

Also called: DVT signs · leg swelling one side · pulmonary embolism

Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed

Call 911 or go to the ER immediately:

  • New leg swelling, redness, or warmth (possible DVT)
  • Sudden shortness of breath or chest pain (possible pulmonary embolism)
  • Coughing up blood
  • Rapid heart rate with lightheadedness

What blood clot and dvt symptoms could be

The most common causes a clinician considers. This isn't a diagnosis — it's the differential a provider works through with you.

Low back pain

Low back pain is one of the more common causes of blood clot and dvt symptoms. A provider can confirm with the right history, exam, or labs — and start treatment the same day when appropriate.

Typical workup

What a clinician usually orders or asks about when someone presents with blood clot and dvt symptoms.

  • Focused history: timing, triggers, severity, and prior treatments related to "blood clot and dvt symptoms"
  • Targeted physical exam of the involved system
  • Rule-in / rule-out workup for the most likely causes: Low back pain
  • Labs, imaging, or referral only when the answer will change management

When to see a clinician

  • Symptoms have lasted more than a few days without improving, or keep coming back
  • You're not sure if this needs antibiotics, prescription treatment, or watchful waiting
  • You have a chronic condition (diabetes, heart disease, immunocompromised) that raises the stakes
  • You want a same-day plan without a trip to urgent care

Conditions this often points to

Common questions