how long do flu symptoms usually last?
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For most healthy people, the flu is an uncomfortable but short-term illness that resolves itself as the immune system fights it off. Symptoms usually appear from one to four days after exposure to the virus, and they last five to seven days.
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They usually start within two to four days, and last just a week or two. 3﻿ Symptoms include: Flu-like symptoms: such as fatigue, sweating, achiness, headache, and feeling sluggish. Insomnia: which may be accompanied by nightmares or vivid dreams.
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Side effects usually last 1-2 days. There are several different makes of flu vaccine available each year.
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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 is usually most infectious from the day your symptoms start and for a further 3 to 7 days. Children and people with lowered immune systems may be infectious for a few days longer.
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Although fever and the most severe symptoms typically resolve within a week, some people have low energy for up to 2 weeks, and it is possible to experience a cough for up to 8 weeks. The flu shot reduces the risk of getting the flu but does not eliminate it.
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Symptoms can begin about 1 to 4 days, or an average of 2 days, after a person is first exposed to the influenza virus. Fever and other symptoms can usually last up to 7 to 10 days, but the cough and weakness may last 1 to 2 weeks longer.
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Symptoms due to viral URI typically last 2–14 days, but some symptoms can linger for several weeks (most people recover in about 7–10 days). Productive cough or discolored nasal discharge does not necessarily require antibiotic therapy.
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It may take one to four days after exposure to the influenza virus for symptoms to develop. If you have the flu, you'll be contagious one day before developing symptoms and up to five to seven days after becoming ill. Younger children or people with a weakened immune system may be contagious for longer.
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Typical time it takes for symptoms to show up once you've caught the virus is one to four days. Adults can be contagious from the day before symptoms begin through five to 10 days after the illness starts. From: What Are Your Odds of Getting the Flu? SOURCE: Centers for Disease Control.
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How Long Does the Flu Last? Fever and other flu symptoms often go away after 5 days or so, but kids may still have a cough or feel weak. Children's symptoms are usually all gone in a week or two.
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According to the Centers for Disease Control and Prevention (CDC) , an uncomplicated influenza infection will last from three to seven days in most people, including children. However, a cough and feelings of weakness or fatigue can last for two weeks or longer.
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Flu generally starts more suddenly and severely than a cold, with a higher fever and chills. A child with the flu feels much more achy and uncomfortable. A child usually has a cold for 3-10 days. The flu lasts 7 to 14 days and symptoms may linger for up to 3 weeks.
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Fever and other symptoms can usually last up to 7 to 10 days, but the cough and weakness may last 1 to 2 weeks longer.
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Symptoms usually appear from one to four days after exposure to the virus, and they last five to seven days. For people who've had a flu shot, the symptoms may last a shorter amount of time, or be less severe. For other people, the symptoms may last longer.
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Adults are most contagious with the flu from 24 hours before symptoms start to three to five days afterward. Children can spread the virus for longer—up to 10 days, and sometimes even beyond that. People who have serious immune system problems can spread influenza for weeks, or even months, after they get it.
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Flu: Fatigue Can Last for Weeks You likely start off feeling extremely tired and achy all over. That fatigue and weakness may last for up to 3 weeks -- or even longer in seniors and people with long-term (chronic) diseases or a weak immune system. With a cold, you usually feel bad for just a few days.