how long do symptoms last after the flu shot?
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The most common side effects from flu shots are soreness, redness, tenderness or swelling where the shot was given. Low-grade fever, headache and muscle aches also may occur. If these reactions occur, they usually begin soon after the shot and last 1-2 days.
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Does flu vaccine work right away? No. It takes about two weeks after vaccination for antibodies to develop in the body and provide protection against influenza virus infection.
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It's to protect you from the severity of the infection. If you get the flu without a shot, you'll have symptoms for 5 to 14 days. If you get the flu shot and still contract the flu, the flu shot will shorten the duration of that infection so you're only ill a fraction of the time.
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After the shot is given, you may have soreness, redness, warmth, and in some cases, slight swelling. These effects usually last less than two days.
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The most common side effect of the flu shot is a reaction at the injection site, which is typically on the upper arm. After the shot is given, you may have soreness, redness, warmth, and in some cases, slight swelling. These effects usually last less than two days.
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Side effects can include pain, redness or swelling at the injection site, headache, muscle ache and malaise, and typically resolve with 1 to 3 days. More information about different types of flu vaccines can be found here.
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What Are the Symptoms of the Flu? You may feel very weak and tired for up to 2 or 3 weeks. You'll have muscle aches and periods of chills and sweats as fever comes and goes. You may also have a stuffy or runny nose, headache, and sore throat.
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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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It takes about two weeks for the flu shot to take full effect. If you're exposed to the influenza virus shortly before or during that time period, you might catch the flu.
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Most children recover from the flu within a week. But they may still feel very tired for as long as 3 to 4 weeks. A cold is usually mild and often goes away after a few days.
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It takes about two weeks after vaccination for antibodies to develop in the body and provide protection against influenza virus infection.
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Symptoms can begin about 2 days (but can range from 1 to 4 days) after the virus enters the body. That means that you may be able to pass on the flu to someone else before you know you are sick, as well as while you are sick. Some people can be infected with the flu virus but have no symptoms.
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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.
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The most common side effects are usually mild and last 1-2 days. Severe allergic reactions following vaccination are rare, but can be life threatening. Symptoms of a severe allergic reaction may include hives, swelling of the face and throat, difficulty breathing, a fast heartbeat, dizziness, and weakness.
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Symptoms of the flu typically last two weeks, though they can go on for longer.
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There is no side-stepping the fact that flu shots can cause side effects, especially in younger children who may be getting their shots for the first time. Most typically last a day or two and are almost always mild. Possible flu shot reactions may include: Fatigue.
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After your shot, you might have headaches or some achiness and pain in the muscles throughout your body. This also usually happens on the first day and goes away within two days.