Informational only — Not medical advice. Always consult a licensed healthcare provider.

Community data Updated 2 months ago
Available as: 50 mcg/0.5 ml · 0.5 ml vial 50 mcg/0.5 ml 50 mcg/0.5 ml 50 mcg/0.5 ml

Indications & Uses

Menactra Polysaccharide Vaccine is indicated for the active immunization of children from 2 years of age, adolescents and adults against meningococcal disease caused by meningococci of serogroups A, C, W135 and Y. The vaccine may also be used for: Subjects who are living in closed communities and close contacts of patients with disease caused by meningococci of serogroups A, C, W135 and Y. Travellers to countries where the disease is epidemic or highly endemic.

Dosage Reference

Reference Information Only

Dosages shown are general references from official sources. Always consult your doctor or pharmacist for personalized dosing.

Adults:

The immunizing dose is a single injection of 0.5 ml administered subcutaneously. Primary Immunization For both adults and children from 2 years of age, vaccine is administered subcutaneously as a single 0.5 ml dose. Protective antibody levels may be achieved within 7 to 10 days after vaccination.

Side Effects

Menactra polysaccharide vaccine is generally well tolerated. Adverse reactions usually occur within 48 hours following vaccination. Metabolism and nutrition disorders: Common: appetite lost Psychiatric disorders: Very common: irritability Nervous system disorders: Very common: drowsiness, headache. Uncommon: dizziness Gastrointestinal disorders: Common: gastrointestinal symptoms e.g. nausea, vomiting and diarrhea Musculoskeletal and connective tissue disorders: Common: myalgia. General disorders and administration site conditions: Very common: pain and redness at the injection site, fatigue. Common: swelling at the injection site, fever.

Cautions & Contraindications

Warnings & Precautions

As with other vaccines, the administration of Menactra polysaccharide vaccine should be postponed in subjects suffering from acute severe febrile illness. The presence of a minor infection, however, is not a contraindication for immunization. This vaccine gives no protection against meningococcal meningitis caused by meningococci belonging to serogroups other than A, C, W135 and Y. If administered to subjects with impaired immune responses, the vaccine may not induce an effective response.As with all injectable vaccines, appropriate medication (e.g. adrenaline) should always be readily available for treatment in case of anaphylactic reactions following the administration of the vaccine. Vaccination should be preceded by a review of the medical history (especially with regard to previous vaccination and possible occurrence of undesirable events) and a clinical examination.

Contraindications

Hypersensitivity to the active substances or to any of the excipients.

Last updated: 18 Aug 2026