Medical Notes

What Is Bexsero;How To Use Bexsero Properly

Bexsero is a vaccine indicated to protect meningococcus B – MenB, responsible for causing bacterial meningitis, in children from 2 months and adults up to 50 years of age. Meningitis or meningococcal disease is a disease that causes symptoms such as fever, headache, nausea, vomiting or signs of inflammation of the meninges, which most easily affects nursing babies.

What Is Bexsero;How To Use Bexsero Properly

How Does Bexsero Work?

The Bexsero vaccine stimulates the production of antibodies that destroy the bacterium Neisseria meningitidis of group B, causing diseases like meningitis and sepsis (generalized infection).

How To Take Bexsero

The doses indicated depend on the age of each patient, and the following dosage is recommended:

  • For children between 2 and 5 months of age, 3 doses of the vaccine are recommended, with intervals of 2 months between doses. In addition, a booster should be given between 12 and 23 months of age;
  • For children between 6 and 11 months, 2 doses are recommended at 2-month intervals between doses, and a booster should be done between 12 and 24 months of age;
  • For children between 12 months and 23 years of age, 2 doses are recommended, with a 2-month interval between doses;
  • For children between 2 and 10 years of age, adolescents and adults, 2 doses are recommended, with an interval of 2 months between doses;
  • For adolescents from 11 years of age and adults, 2 doses are recommended, with an interval of 1 month between doses.

Bexsero Side Effects 

Some of the side effects of Bexsero in nursing babies may include changes in appetite, drowsiness, crying, convulsions, pallor, diarrhea, vomiting, fever, irritability or allergy reactions at the injection site with redness, itching, swelling or local pain.

In adolescents, the major side effects may include headache, general malaise, joint pain, nausea and pain, swelling and redness at the injection site.

Contraindications

This vaccine is contraindicated for pregnant or lactating women, children less than 2 months of age and for patients with allergy to any of the components of the formula.

How to use Bexsero

It is important to follow your doctor’s instructions so that you or your child complete the vaccination schedule.

Infants 2 months to 5 months old

Your child should receive an initial three-dose schedule of the vaccine, followed by a fourth injection (booster dose).

  • The first dose should be given at 2 months of age. In this scheme, the interval between each injection should be at least 2 months.
  • The fourth injection (booster dose) should be administered between 12 and 23 months of age.
  • The primary vaccination schedule may also be given at 2, 3 and 4 months of age (at least one month interval).

Infants 6 months to 11 months old

Infants 6 months to 11 months of age who are not vaccinated should receive two doses, followed by a third injection (booster dose).

  • The interval between doses should be at least 2 months.
  • The third injection (booster dose) will be given in the second year of life after an interval of at least 2 months from the second dose.

Children 12 months to 23 months old

Children 12 months to 23 months of age should receive two doses.

The interval between each dose should be at least 2 months.

Children 2 to 10 years old

Children 2 to 10 years of age should receive two doses.

The interval between each dose should be at least 2 months.

Teens (11 years of age) and adults

Adolescents (from 11 years of age) and adults should receive two doses.

The interval between each dose should be at least 1 month.

Adults over 50 years of age

There are no data on adults over 50 years of age.

If you have any further questions about the Bexsero vaccine, consult your healthcare professional.

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