Influenza Vaccine - Benefits, dosage and side effects

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Influenza Vaccine - Benefits, dosage and side effects
Influenza Vaccine - Benefits, dosage and side effects

Influenza vaccine is a vaccine to prevent flu. Influenza vaccination is recommended to be carried out regularly every year to maintain optimal vaccine protection

One type of influenza vaccine in Indonesia is made from an inactivated influenza virus. Injecting the influenza vaccine will make the body produce antibodies that can fight the influenza virus.

Influenza Vaccine - Alodokter

There are two types of influenza vaccines, namely the trivalent vaccine and the quadrivalent vaccine. The trivalent vaccine can provide protection against three types of influenza viruses, namely influenza A (H1N1), influenza A (H3N3), and influenza B.

While quadrivalent vaccines can provide protection against two influenza A virus variants and two influenza B virus variants.

Influenza vaccine trademarks: Agrippal, Fluarix, Vaxigrip

What is Influenza Vaccine

Class Prescription drugs
Categories Vaccine
Benefits Preventing the flu
Used by Adults and children
Influenza vaccine for pregnant and lactating women Category B: Animal studies have not shown any risk to the fetus, but there have been no controlled studies in pregnant women.

Influenza vaccine is not yet known whether it can be absorbed into breast milk or not. If you are breastfeeding, do not use this medicine without consulting your doctor first.

Medicine form Inject

Warning Before Receiving Influenza Vaccine

The following are things you should pay attention to before receiving the influenza vaccine:

  • Tell your doctor about any allergies you have. Influenza vaccine should not be given to someone who is allergic to the ingredients in this vaccine, latex, or eggs.
  • Tell your doctor if you have a fever or other infectious disease, vaccination will be postponed until your condition improves.
  • Tell your doctor if you have a nervous system disorder, such as Guillain Barre Syndrome (GBS). Influenza vaccination is not recommended for people with this condition.
  • Tell your doctor if you have or have had a blood clotting disorder or seizure.
  • Tell your doctor if you are taking any medications, supplements or herbal products.
  • Tell your doctor if you are pregnant, breastfeeding, or planning a pregnancy.
  • See your doctor immediately if you have an allergic reaction after you get an influenza vaccine shot.

Influenza Vaccine Dosage and Schedule

According to the immunization schedule issued by the Indonesian Pediatrician Association (IDAI), the influenza vaccine is one of the vaccines that must be given to children.

The dose for children less than 2 years old is 0.25 ml. Meanwhile, children aged >2 years and adults are 0.5 ml.

For children who receive the influenza vaccine for the first time at the age of 6 months to 8 years, the vaccine is given in 2 doses with an interval of at least 4 weeks, then the vaccination is repeated every year.

For children over 9 years of age and adults, the influenza vaccine is enough to be given once a year.

In children or adults who have impaired immune systems, the influenza vaccine is given 2 doses with an interval of at least 4 weeks, so that antibodies are formed properly.

How to Give Influenza Vaccine

Always follow the instructions and recommendations of the doctor before receiving the influenza vaccine. Influenza vaccine will be given directly by a doctor or he alth worker under the supervision of a doctor at a he alth facility (faskes). Follow the injection schedule given by the doctor.

Influenza vaccine is recommended to be given to some patients with the following conditions:

  • Children with chronic diseases, such as asthma, kidney disease, immune system weakness, and diabetes
  • Children and adults with metabolic diseases, including impaired kidney function, immune system weakness, or blood disorders, such as hemoglobinopathies
  • A person at risk of transmitting or contracting the influenza virus, including he alth workers
  • All he althy children aged 6–23 months and all adults 65 years and over

In children aged 6 months to 1 year, the vaccine will be injected in the thigh muscle, while for children older than 1 year and adults, the vaccine will be injected in the deltoid muscle located in the upper arm.

Influenza Vaccine Interaction with Other Drugs

When used with immunosuppressant drugs, the effectiveness of the influenza vaccine in providing protection against the virus may decrease. In addition, being treated with anticoagulant drugs, such as warfarin, along with influenza vaccination can increase the risk of bleeding.

To avoid side effects, always tell your doctor about any medications, supplements, or herbal products you are taking.

Side Effects and Dangers of the Influenza Vaccine

There are several side effects that can occur after getting an influenza vaccine injection, including:

  • Headache or dizziness
  • Mild fever
  • Pain or redness at the injection site
  • Muscle pain, fatigue, and weakness
  • Fainted

Check with your doctor if these side effects don't subside or get worse. In addition, see your doctor immediately if you experience an allergic reaction after the influenza vaccine injection.

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