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Culture and sensitivity

A culture is done to find out what kind of organism (usually a bacteria) is causing an illness or infection.

A sensitivity test checks to see what kind of medicine, such as an antibiotic, will work best to treat the illness or infection.

A culture is done by collecting a sample of fluid or tissue and then rubbing the sample onto a special plate with prepared gelatin (culture). If there are bacteria in the sample, they will grow in the culture, usually within 2 days.

A culture and sensitivity test may be done on many different body fluids, such as urine, mucus, blood, pus, saliva, breast milk, spinal fluid, or discharge from the vagina or penis.

Author Jeannette Curtis
Author Caroline Rea, RN, BS, MS
Editor Kathleen M. Ariss, MS
Editor Susan Van Houten, RN, BSN, MBA
Associate Editor Tracy Landauer
Associate Editor Pat Truman
Primary Medical Reviewer Patrice Burgess, MD
- Family Medicine
Primary Medical Reviewer Adam Husney, MD
- Family Medicine
Primary Medical Reviewer Kathleen Romito, MD
- Family Medicine
Last Updated May 25, 2007

WebMD Medical Reference from Healthwise

Last Updated: May 25, 2007
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.