An ear drainage culture is collected by placing a cotton swab gently in the ear canal. The sample is sent to the laboratory for testing to isolate and identify the type of organism causing the ear infection.
Review Date 7/22/2020
Updated by: Charles I. Schwartz, MD, FAAP, Clinical Assistant Professor of Pediatrics, Perelman School of Medicine at the University of Pennsylvania, General Pediatrician at PennCare for Kids, Phoenixville, PA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.