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 up …

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.

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 headache, aching …

Oct 21, 2025 · Find out the similarities and differences between coronavirus disease 2019 (COVID-19) and the flu (influenza) and learn about ways to prevent getting these diseases.

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 pain. Signs of …

Nov 17, 2020 · Flu is a general term for seasonal influenza, which is a viral infection that attacks your respiratory system. Symptoms often come on suddenly and may seem like a cold at first, with a …

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. Peters …

Oct 23, 2025 · Get answers to your flu vaccine questions, including whether the vaccines are effective, what forms are available and what side effects to expect.

Dec 3, 2022 · To prevent croup, take the same steps you use to prevent colds and flu. Frequent hand-washing with soap and water for at least 20 seconds is the most important step.

Aug 13, 2020 · COVID-19 is caused by a new coronavirus called SARS-CoV-2, while influenza is caused by influenza A and B viruses. Symptoms of COVID-19 and the flu appear at different times …