Why does the flu cause body aches? - Harvard Health
Aug 26, 2025 · The flu virus triggers bodywide aches and pain by causing inflammation. People can ease flu aches by staying hydrated; taking warm showers; and using over-the-counter anti …
Signs and Symptoms of Flu | Influenza (Flu) | CDC
Aug 26, 2024 · Symptoms Flu can cause mild to severe illness, and at times can lead to death. Flu symptoms usually come on suddenly. People who have flu often feel some or all of these …
Flu Symptoms: Headache, Sore Throat, Chills, and More
Jul 15, 2025 · The flu’s common symptoms of fever, body aches, and fatigue can leave many confined to bed. Learn more about flu symptoms, what you can do to reduce discomfort, and …
Sick and Achy? Here’s How to Feel Better - Verywell Health
Nov 14, 2025 · To relieve body aches when sick with the flu, try taking a warm bath, using over-the-counter (OTC) pain medications, and drinking plenty of fluids. Infections like the flu and …
Influenza (flu) - Symptoms and causes - Mayo Clinic
Dec 19, 2025 · Overview Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system. The flu is caused by a virus. Influenza viruses are …
Influenza (Flu): Signs and Symptoms - Health
Oct 11, 2025 · The flu usually starts quickly with symptoms like a cough, fever, sore throat, and fatigue. Severe flu cases can lead to pneumonia, with symptoms such as chest pain, cough, …
Stages of flu recovery: A day-by-day guide to feeling better fast
Nov 17, 2025 · Flu day 1: The sudden onset The flu often comes on abruptly—you might wake up with chills, a headache and body aches that make it hard to move. A fever usually follows, …
Symptoms of the Flu: Fever, Aching Muscles, Coughing, and More - WebMD
Nov 19, 2024 · WebMD tells you which symptoms signal the flu - and when to call the doctor.
Does the Flu Cause Chest Pain? - Advance Study
Dec 26, 2025 · Does the Flu Cause Chest Pain? Understanding the Link The flu can indirectly cause chest pain due to inflammation, muscle strain, or secondary infections like pneumonia …
Why your whole body aches when you're sick (and what you can …
May 3, 2022 · Unlike the muscle aches that can come on after one too many squats, body aches from an illness tend to cause dull pain and discomfort everywhere. The good news is you can …