Cold and flu may seem alike, but knowing their key differences can prevent serious health risks. Learn how to recognize and ...

There's also one big difference between the flu and COVID or a cold that can indicate which illness you have. Don't ignore it ...

Flu can be mistaken for viral respiratory illnesses like the common cold and COVID because they cause similar symptoms. See a doctor if you have flu symptoms that don’t go away in a few days or ...

Along with flu, winter months are highs for the common cold, RSV and COVID-19. Here's what to know about flu symptoms in 2025, how to tell if it's something else, and how to protect yourself ...

With so many viruses going around like the cold, flu, covid and r-s-v... it can be hard to know which one you have and how to treat it.

The flu can also cause a general feeling of fatigue or malaise, Ray says, as well as gastrointestinal issues like diarrhea ...

Muscle aches and tiredness – more common for COVID-19 and flu – don't happen with a cold. RSV, or respiratory syncytial virus, usually causes mild symptoms akin to cold that go away on their own.

Colds – also known as “flu-like infections” – are caused by a variety of viruses. More than 200 pathogens can be involved, ...

Sometimes half the battle of getting sick is knowing how to treat the symptoms properly, but it's often hard to pinpoint what you have. A common cold and the flu share many symptoms, but as the ...

Below, doctors share the most common ... flu, the symptoms usually come on really suddenly,” said Dr. Sindhu Aderson, an immediate care physician at Northwestern Medicine in Chicago. Unlike a ...