Dec 19, 2025 · If you have flu symptoms and are at risk of complications, see your healthcare professional right away. Starting antiviral medicine within two days after your symptoms show …

Oct 22, 2025 · Coronavirus disease 2019 (COVID-19) and seasonal flu have many similarities and differences. Find out what to know and how to protect yourself from these diseases.

Oct 8, 2025 · Unlike a cold, the flu tends to come on suddenly and makes you feel much worse than a cold. Common symptoms of the flu often include a fever but not always, as well as …

Dec 19, 2025 · To diagnose the flu, also called influenza, your healthcare professional does a physical exam, looks for symptoms of flu and possibly orders a test that detects flu viruses.

Mar 23, 2023 · If you have emergency symptoms of the flu, get medical care right away. For adults, emergency symptoms can include: Trouble breathing or shortness of breath. Chest …

Jun 8, 2024 · Flu viruses get in the body through the mouth, nose or eyes. Wear eye protection, a face mask and gloves to help keep the virus out if you're in an area where it might be present.

Apr 30, 2025 · Although it's commonly called stomach flu, gastroenteritis isn't the same as influenza. The flu (influenza) affects only your respiratory system — your nose, throat and lungs.

Jan 13, 2015 · A high fever; inability to keep fluids down; rapid heartbeat; rapid, shallow breathing; lethargy and confusion are among the signs. If sepsis is suspected, seek emergency care, Dr. …

Jan 9, 2024 · Among otherwise healthy people, flu symptoms vary. Symptoms include a sore throat, runny nose, fever, chills and muscle aches. Flu symptoms can make you feel awful. But …

Jun 8, 2024 · Flu viruses in other animals, such as birds, may be a risk to people. Learn more about the symptoms, causes, prevention and treatment for bird flu in people.