Flu shot when does it take effect

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This content does not have an English version. This content does not have an Arabic version. See more conditions. Flu shot: Your best bet for avoiding influenza. Products and services. Flu shot: Your best bet for avoiding influenza Getting a flu shot will often protect you from coming down with the flu. By Mayo Clinic Staff. See coronavirus cases and forecasts Track vaccine rates by state. Thank you for Subscribing Our Housecall e-newsletter will keep you up-to-date on the latest health information.

Please try again. Something went wrong on our side, please try again. Show references Bope ET, et al. The infectious diseases. In: Conn's Current Therapy Philadelphia, Pa. Accessed July 13, But the symptoms will be less severe because you are vaccinated.

Most doctors also recommend everyone gets their flu vaccine by the end of October. This way your body has time to develop the right antibodies before flu season kicks into gear. It takes about two weeks for antibodies to develop against the flu after you get the shot. Most people will recover from the flu in about one week. But it may take several more days for you to feel back to your usual self.

This is without taking fever-reducing medications. Many people report avoiding the flu vaccine each year for fear that it will make them sick. Flu vaccines contain dead or weakened strains of the flu virus.

You may experience some side effects from the flu shot. These side effects are often mild and only last a short period of time. The side effects of a shot outweigh the possible symptoms of a flu infection later. When it starts to work It takes 2 weeks for the vaccine to work. It should protect you for the whole flu season. Side effects After the vaccine, you may have some mild side effects.

These may include: soreness, redness or swelling where you got the injection fever high temperature - 38 degrees Celsius or above mild sweating and shivering headache aches feeling tired If you feel any of these side effects, rest and paracetamol can help. Serious side effects Serious side effects such as a severe allergic reaction are rare. Please accept functional cookies to use live chat Read our cookies policy to find out more about our cookies and how we use them.

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