Influenza Say: in-floo-en-zuh Feeling suddenly feverish, achy, and crummy all over? Sounds like influenza is in your body — the full name for the flu! Influenza is a type of germ called a virus that can make you sick. You'll feel better if you rest, drink plenty of liquids, and ask your parent to give you acetaminophen or ibuprofen to make you feel more comfortable. 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.