Cold is a mild infection in your upper respiratory tract, which includes nose and throat. Colds are more common in winter and spring.
Flu is a contagious respiratory illness caused by influenza viruses that infect the nose, throat and sometimes the lungs. It can cause mild to severe illness.
The main difference between cold and flu is the symptoms, as cold symptoms are usually milder than the symptoms of flu. Colds rarely cause other health conditions, but flu can lead to serious health problems.
People who have a cold, generally experience runny or stuffy nose, sneezing, body aches and general fatigue.
People with flu have symptoms of a cold, plus it can also lead to sinusitis, ear infections, sepsis or pneumonia.
If your symptoms are severe, it is best to confirm whether it is a cold or a flu with a full diagnosis. Doctors generally run tests that can help determine what's exactly behind these symptoms.
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