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Meningococcal Vaccine (Group A, C, Y, W)



Meningococcal vaccine is used to protect against five subtypes (serogroups) of meningococcal bacteria called Neisseria meningitides which causes infection of outer layer of brain coverings (meningitis).

How it works

Meningococcal vaccine belongs to the class of drugs called as vaccines. It is an inactivated quadravalent antigen (particles of all subtypes of bacteria) of Neisseria meningitides groups A, C, W 135 and Y that works by activating the immune system to produce antibodies (specific immune compounds) against Neisseria meningitides bacteria thereby providing immunity from future infections.

Common side effects

Dizziness, Injection site reaction, Fatigue, Headache


Expert advice

  • Do not take meningococcal vaccine in acute infections. 
  • Do not take meningococcal vaccine > 25 mg of oral dose.
  • Tell your doctor if you are pregnant, planning to become pregnant or are breastfeeding. 
  • Do not take if patient is allergic to meningococcal vaccine or any of its ingredients. 
  • Do not give if patients exhibiting severe allergic reactions to a preceding dose of vaccine.
  • Patient with sickle cell disease (a group of disorders that affects haemoglobin) or without a working spleen

Content on this page was last updated on 30 September, 2016, by Dr. Varun Gupta (MD Pharmacology)