when do side effects of flu shot appear?
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After the flu vaccination, you may get a mild fever and slight muscle aches for a day or so. Some people may have a sore arm after vaccination. For example, if you're aged 65 or over and having the adjuvanted flu vaccine.
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What are the side effects that could occur? Common side effects from a flu shot include soreness, redness, and/or swelling where the shot was given, headache (low grade), fever, nausea, muscle aches, and fatigue. The flu shot, like other injections, can occasionally cause fainting.
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A flu shot: The viruses in a flu shot are killed (inactivated), so you cannot get flu from a flu shot. Some minor side effects that may occur are: Soreness, redness, and/or swelling where the shot was given.
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['swelling or other reactions at the injection site.', 'flu-like symptoms such as headache, tiredness, and weakness.', 'chills.', 'fever.', 'trouble sleeping.', 'nausea.', 'vomiting.', 'diarrhea.']
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There are common side effects associated with the flu shot, but generally they are mild and primarily involve soreness, redness, swelling, and tenderness at the injection site. A low grade fever, headache, and muscle aches may occur. Such side effects last, at most, a couple of days.
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Lastly, please keep in mind that the flu shot does not protect you against the “stomach flu” which can be described as vomiting, nausea, and diarrhea. These symptoms can be associated with the flu, however they can also be associated with many different viruses, bacteria, and parasites.
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Some believe you can catch the flu from the flu shot, but that's just a myth. It's normal to have some side effects like soreness where the shot was given. It's rare, but you may also get a low grade fever or feel some aches. They will probably only last 1 to 2 days, and then you'll be back to normal.
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Pain, tenderness, swelling and redness at the shot site are the main side effects. This happens in 25% of children. It usually starts within the first 12 hours. Redness and fever starting on day 1 of the shot is always normal.
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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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['Fatigue.', 'Headache.', 'Low-grade fever.', 'Muscle aches.', 'Nausea.', 'Pain and swelling at the injection site.']
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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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If these symptoms do occur, they will happen shortly after you receive your vaccination, and last for no longer than 1-2 days. Lastly, please keep in mind that the flu shot does not protect you against the “stomach flu” which can be described as vomiting, nausea, and diarrhea.
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The flu shot will not actually give you the flu, according to the Centers for Disease Control & Prevention. However, people who get the flu shot may experience muscle soreness, fever or nausea.
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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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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.
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['Reactions where the shot was given. Redness. Swelling. Pain or tenderness.', 'Fever.', 'Loss of appetite.', 'Fussiness (irritability)', 'Feeling tired.', 'Headache.', 'Chills.']
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A: Like the flu shot, the flu nasal spray — also called the live attenuated influenza vaccine (LAIV) — may cause headache, dizziness, fainting, and a slight fever. However, the nasal spray can also cause other side effects that the shot doesn't, including tiredness, loss of appetite, runny nose, and sore throat.