Strep Screen Say: strep screen If you've ever gone to the doctor with a really sore throat, you may have had a strep screen. First, the doctor touches the back of your throat with a cotton swab. Next, the swab is tested for the germ that causes strep throat. This is a quick test and your doctor can tell you in minutes if you have strep throat. If you do, the doctor will give you a prescription for an antibiotic, which will help you get better. Before you know it, that frog will be out of your throat! Back to Articles Related Articles Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.