7 side effect of flu shot

7 Side Effect Of Flu Shot (Vaccine) You Need To Know

(Last Updated On: April 6, 2018)

Flu is a very common disease that affects the U.S.A. seasonally. Children, adults above the age of 65, pregnant ladies are more at risk of the effects of the flu.Usually we use flu shot to protect yourself from flu but there is some side effect of flu shot which we discussed in this article.

A flu shot is very essential to guard oneself against the flu virus. the type of flu virus is constantly changing, therefore, the flu shots are constantly updated to treat the new threats.

Vaccines against the flu are available various varieties. Some will fight against only 1 type of flu virus others are equipped to fight with over one.

The trivalent vaccine is able to fight against 3 types of flu viruses.

The high dose flu shot comes in the trivalent variety only.

The effectiveness of the flu virus varies depending on the person and the area to which the person belongs.

but Flu shots are not “perfectly safe” for everybody – and also the side effects of flu shots will be downright alarming.

Between the generalized side effects the center for disease control (CDC) warns about and also the specific side effects of the additives used to grow and preserve the vaccines annually, you can go in for a “harmless” flu shot and walk out with fever, seizures or maybe muscle paralysis.

Small surprise, then, that only 60% of doctors and nurses are getting the flu shot despite mandatory vaccination needs in several hospitals.

As healthcare providers, they will first see is there is any side effect of flu shot and create a more informed selection than members of the general public, who usualy hear only positive info regarding flu shots.

Don’t believe the hype. find out more about the real side effects of flu shots so you can decide for yourself whether a flu shot is really worth the risk.

1) Flu Like Symptoms

Most Common flu shot side effect that people complain is flu-like symptoms.

Within the first 48 hours, many people complain of fever, headaches, runny nose, nausea and body ache just like they’ve come down with a case of the flu.

2) Allergic Reaction

Right along with feeling sick, many people undergo allergic reactions to the flu shot vaccine.

These reactions are serious and occur in minutes.

However, milder allergic responses will still compromise your health for weeks or even years when you’ve gotten a flu vaccine.

If you’re allergic to:

♦ Eggs
♦ Formaldehyde
♦ Mercury
♦ Aluminum

Mild allergies include swelling around the injection site, itchiness, and redness. more serious reactions include changes in your breathing and pulse rate, hives, and muscle weakness.

If you’re severely allergic, your throat might close in a potentially fatal reaction.

Think twice before getting a flu shot! this is very true for kids, people with weak immune systems and the elderly.

3) Seizures

In 2010-2011 many American especially children who received the flu shot will suffer from fever-related seizures The seizures occurred within 24 hours of receiving the shot.

While the authorities were quick to reassure the public that such side effect of flu shot are “rare” the reality is seizures following flu shots are more common than many think.

According to the CDC, 1 out of every 2,000 to 3,000 children who received the flu shot will experience fever-related seizures.

International studies are even more damning, directly pointing out that flu shots will hurt over they help.

4) Dizziness

Some people are affected by a certain amount of dizziness or a fainting feeling.

In some people this effect doesn’t last for quite an hour in other cases it lasts for a day or 2 though that is very rare.

If you get this side effect make sure that you sit for a while after taking the shot and also you must take someone along with you after you are going to take a shot.

you want to also inform the health care provider that you tend to get dizzy or have a fainting feeling after a shot.

5) Fever

A slight fever is also quite common side effect of flu shot. it’ll not be a severe one so you do not have to panic. it should vary between 100°F to 101°F.

It’ll get away in a day or 2. If you’re fazed by the fever you’ll take some medication or consult your doctor.

6) Guillain-Barré Syndrome (GBS)

Guillain-Barré Syndrome is one of the really horrifying side effect of flu shot. called GBS, this disorder causes your immune system to attack your own nerve cells, weakening your muscle systems and sometimes paralyzing you fully.

Between 3,000 and 6,000 people, each year can get GBS, usually after being sick with the flu or getting a flu shot.

The risk of GBS will increase as you become older, and people over age 50 have the highest risk level.

7) Muscle Pain

In a few cases, you’ll feel a certain amount of muscle pain after the injection. this is a really common symptom. sometimes it is including headaches as well.

If you’re too suffering from these aches and pains you’ll always take some pain relievers to ease yourself.

These pains go away within a day. you’ll always rely on a good sleep to ease your body aches.

To Avoid Side Effect Of Flu, here is the list of 15 best home remedies for flu that make you feel better.

How long do flu shot side effects last ?

The side effect of the flu shot are mostly very mild unless you’ve got Guillain-Barré syndrome or are allergic to eggs.

Just in case of the mild side effects like flu, hives, muscle pain, they do not stay for over a day or 2. they are going away very fast.

Consult your doctor if you are allergies to eggs or have GBS before taking the flu shot.

Flu vaccine cost

Pediatric Influenza Vaccine Price List

VaccineBrandname/ Tradename Packaging CDC Cost/ DosePrivate Sector Cost/ Dose
(Age 6 months and older)
10 dose vial$14.52$16.622
(Age 6-35 months)
Pediatric dose
10 pack – 1 dose syringe$15.675$18.72
(Age 36 months and older)
10 pack – 1 dose syringe$15.675$17.97
(Age 36 months and older)
10 pack- 1 dose syringe$14.43$16.82
(Age 6 months and older)
10 dose vial$13.55 $15.77
Influenza (Age 4 years and older)Flucelvax® Quadrivalent10 pack – 1 dose syringe$15.42$21.22

Adult Influenza Vaccine Price List

VaccineBrandname/ TradenamePackaging CDC Cost/ DosePrivate Sector Cost/ Dose
(Age 6 months and older)
10 dose vial$12.571$16.622
(Age 36 months and older)
10 pack – 1 dose vial $13.575 $17.97
(Age 36 months and older)
10 pack- 1 dose syringe$12.72 $16.82
(Age 36 months and older
10 dose vial$11.94 $15.77
(Age 9 years and older)
Afluria®10 pack-1 dose
$9.99 $17.01
(Age 4 years and older)
Fluvirin®10 dose vial $9.50 $15.64
(Age 4 years and older)
Flucelvax Quadrivalent10 pack – 1 dose syringe/
10 dose vial
$13.80/$12.55 $21.22/$20.12
(Age 18 years and older)
10 pack – 1 dose syringe/10 dose vial$12.68/$11.95 $17.61/$16.46


Reference :

CDC Vaccine Price

Centers for Disease Control (CDC). Seasonal Influenza: Guillain-Barré Syndrome. CDC.gov. 2012 Aug 23.

Centers for Disease Control (CDC). Possible side effects from vaccines. Vaccines & Immunizations.

Centers for Disease Control (CDC). Ingredients of Vaccines – Fact Sheet. Vaccines & Immunizations. 2011 Feb 22.

Centers for Disease Control (CDC). Vaccine Ingredients by Type. Immunofacts: Vaccines and Immunologic Drugs. Revised 2011 and 2012.

Centers for Disease Control (CDC). Febrile seizures following childhood vaccinations, including influenza vaccinations. 2012 Oct 1.

De Wals et al. Risk of Guillain-Barré syndrome following H1N1 influenza vaccination in Quebec. Journal of the American Medical Association. 2012 Jul 11;308(2):175-81.

Li, Mimi. Flu shot caused seizures in Australian Children, study says. Epoch Times. 2010 Sep 20.

Moyer, C. Too few health professionals getting flu shots. American Medical News. 2011 Sep 5.


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