What is Menactra?

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Menactra is a brand-name meningococcal vaccine that contains meningococcal polysaccharide diphtheria toxoid conjugate antigen used to induce immunity against infection caused by the bacteria Neisseria meningitidis subgroups A, C, Y and W-135. Menactra is given to people two to 55 years of age as a subcutaneous injection in the upper arm. The meningococcal polysaccharide antigens are attached (conjugated) to diphtheria toxoid protein to make the immunity to N. meningitidis infection last longer; it does not confer any protection against diphtheria infection.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.