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Injection site reactions (ISRs) are reactions that occur at the site of injection of a drug. They may be mild or severe and may or may not require medical intervention. Some reactions may appear immediately after injection, and some may be delayed. [1] Such reactions can occur with subcutaneous, intramuscular, or intravenous administration.
How to treat flu show side effects. Again, most people who have flu shot side effects only have a sore arm, if that. But some people will have things like muscle aches, headache, or flu-like symptoms.
Common side effects of vaccination include local injection-site reactions and cold-like symptoms. Fever, malaise , and myalgia are less common. Flu vaccines are contraindicated for people who have experienced a severe allergic reaction in response to a flu vaccine or to any component of the vaccine.
Here’s what you may experience in terms of side effects when you get the flu shot: Soreness, redness, and swelling where the shot is given. Fever. Muscle aches. Headache.
Flu shot side effects you should worry about: Although extremely rare, it is possible to develop an allergic reaction to the flu shot. Typically, signs appear a few minutes of receiving the ...
The vaccine produces a greater immune response than standard vaccine. According to the CDC, [1] "a study published in the New England Journal of Medicine [25] [in August, 2014] indicated that the high-dose vaccine was 24.2% more effective in preventing flu in adults 65 years of age and older relative to a standard-dose vaccine." The CDC ...
Live attenuated influenza vaccine is administered intranasally, [8] while inactivated vaccines are administered by intramuscular injection. Live attenuated influenza vaccine is sold under the brand names FluMist and FluMist Quadrivalent in the United States; and the brand name Fluenz Tetra in the European Union.
Polyvalent influenza vaccine is a type of influenza vaccine that provides immunity against more than one type of antigen. [1] In the second week after receiving the flu shot, the body's immune system is triggered by the antigens so the body starts producing antibodies. These antibodies help fight against influenza viruses.