Diagnostics·Diagnostics
ESR blood test
Informed by recognized medical guidance
Overview
An ESR (erythrocyte sedimentation rate) blood test measures how quickly your red blood cells settle at the bottom of a test tube. It is a general test for inflammation in your body. A faster than normal rate may indicate inflammation, but it does not tell your doctor exactly where the inflammation is or what is causing it.
Key facts
- ESR stands for erythrocyte sedimentation rate.
- It is a simple blood test that checks for inflammation anywhere in the body.
- A high ESR result does not diagnose a specific disease – further tests are usually needed.
- Many things can affect ESR levels, including age, pregnancy, and certain medicines.
Yes, this test is commonly used to help doctors screen for or monitor inflammatory conditions such as infections, autoimmune disorders, and some cancers.