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Flu
What are the symptoms of flu?
People who get the flu usually know the exact day that it hit, whereas a cold tends to come on gradually. Both colds and flu cause inflammation of the mucous membranes (found in the nose, throat and mouth). Symptoms for colds and flu can be similar; both can cause a stuffy nose, sore throat, cough, and fever. Symptoms generally last about a week or two.
Colds are usually distinguished by a runny nose and sneezing. Along with coming on suddenly, the flu is more serious than a cold, lasts longer, and often leaves you with a wiped-out feeling, a headache, chills, dry cough, and body aches.
Young children may also experience nausea and vomiting with flu, but what many people call "stomach flu" is something different--probably gastroenteritis, which is usually caused by other viruses, bacteria, and toxins.
