how do you know if you have the flu?
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Flu Symptoms. You typically start to feel bad quickly instead of over time. You may have a high fever, headache and muscle aches, cough, sore throat, and tiredness. You also might have a runny or stuffy nose, chills, headache, and nausea or vomiting.
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['fever* or feeling feverish/chills.', 'cough.', 'sore throat.', 'runny or stuffy nose.', 'muscle or body aches.', 'headaches.', 'fatigue (tiredness)', 'some people may have vomiting and diarrhea, though this is more common in children than adults.']
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What Causes the Flu? The flu is caused by influenza viruses that infect the nose, throat, and lungs. These viruses spread when people with flu cough, sneeze or talk, sending droplets with the virus into the air and potentially into the mouths or noses of people who are nearby.
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Flu versus the common cold If you have flu-like symptoms but no fever, you might suspect that you have a cold. It is not always easy to tell the difference, and even a cold can cause you to have a mild fever. In general, all symptoms are worse when you have the flu.
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A fever, headache, and other aches and pains are common with the flu but less so with colds. People who have colds usually have a stuffy nose and sore throat. That's less common when you have the flu. Flu symptoms often hit suddenly, which makes you weaker and weaker.
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How can a cold, flu, or stomach flu cause nausea? These viral illnesses can give you nausea and a bad headache. But unlike migraine headaches, you'll usually have other symptoms, too, like a runny nose, diarrhea, chills, body aches, and fever.
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Most people who have the flu (influenza) have a mild illness and don't need to see a doctor. Common flu signs and symptoms include: Fever above 100 F (38 C), though not everyone with the flu has a fever.
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The most common symptoms of the flu are: sudden appearance of a high fever (38 °C or more) a dry cough. body aches (especially in the head, lower back and legs)
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Influenza can wreck havoc on the body. The upper respiratory illness can cause people to experience a fever, cough, sore throat, runny or stuffy nose, body aches, headache, chills, fatigue and sometimes diarrhea and vomiting, according to the CDC. It can lead to complications like pneumonia, which can be serious.
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Symptoms like sore throat, fever, headache, muscle aches, congestion, and cough tend to come on suddenly. Colds are usually less intense and include a runny or stuffy nose. The flu gets better over 2 to 5 days, but you might feel run-down for a week or longer. Colds come on slowly and last up to 10 days.
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['Flu-like symptoms (fatigue, fever, sore throat, headache, cough, aches and pains)', 'Gastrointestinal disturbances, such as diarrhea, nausea and vomiting.', 'Irritability.', 'Malaise (general ill feeling)', 'Rash.', 'Sneezing.', 'Stuffy nose, nasal congestion, runny nose, or postnasal drip.']
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You may have muscle aches, a scratchy or sore throat, watery eyes, and a headache. The flu starts suddenly and hits hard. You will probably feel weak and tired and have a fever, dry cough, a runny nose, chills, muscle aches, a bad headache, eye pain, and a sore throat.
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Key Symptoms of a Cold It can be difficult to identify if you have a cold or flu because these symptoms overlap. It may be helpful to remember that a runny, stuffy nose is a common indicator of a cold, along with scratchy throat, sneezing, watery eyes, and a mild fever (below 102 F).
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Early flu symptoms can extend below the head, throat, and chest. Some strains of the virus can cause diarrhea, nausea, stomach pain, or vomiting.
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One of the most distinct symptoms of the flu (influenza) is painful body aches. 1﻿ For most people, their muscles feel so sore and achy it hurts to move. Additionally, body aches can leave you feeling weak, fatigued, and extremely exhausted. Fortunately, they can be treated and managed successfully.
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You may feel sick and have mild flu-like symptoms, like a slight fever, feeling tired, sore throat, swollen glands, headache, and muscle aches. You can also have sores in your mouth, vagina, or anus, and weight or hair loss.
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['a general feeling of being unwell.', 'a cough, which tends to be dry.', 'a stuffy or runny nose.', 'a sore throat.', 'muscle aches.', 'body aches.', 'headache.', 'fatigue, or extreme tiredness.']