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Penmenvy Side Effects

Generic name: meningococcal group acwy conjugate-group b vaccine (cvx 328)

Note: This document provides detailed information about Penmenvy Side Effects associated with meningococcal group acwy conjugate-group b vaccine (cvx 328). Some dosage forms listed on this page may not apply specifically to the brand name Penmenvy.

Applies to meningococcal group acwy conjugate-group b vaccine (cvx 328): intramuscular powder for injection.

Important warnings This medicine can cause some serious health issues

You should not receive the vaccine a second time if you had a life threatening allergic reaction after the first shot.

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Keep track of all side effects you have, be sure to tell the vaccination provider if the previous shot caused any side effects.

Becoming infected with meningococcal disease and developing meningitis is much more dangerous to your health than receiving this vaccine. Any vaccine may cause side effects but the risk of serious side effects is low.

You should not receive a second shot if you had a life-threatening allergic reaction after the first shot.

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For healthcare professionals

Applies to meningococcal group acwy conjugate-group b vaccine (cvx 328): intramuscular powder for injection.

General adverse events

The most commonly reported side effects included erythema, injection site pain, fatigue, headache, myalgia, nausea, and swelling.[Ref]

Dermatologic

Erythema included any erythema 25 mm and greater.

Severe erythema included erythema over 100 mm.[Ref]

Gastrointestinal

Nausea included any nausea (i.e., mild [transient, no normal activity limitations], moderate [some daily activity limitations], and severe [unable to perform activities]).[Ref]

Hematologic

Lymphadenopathy occurred within 1 to 30 days of vaccination.[Ref]

Hepatic

Hypersensitivity

Hypersensitivity developed within 9 to 27 days of vaccination.[Ref]

Immunologic

Connective tissue disorder was reported in 1 patient who received 2 doses of this vaccine and a dose of a hepatitis A vaccine.[Ref]

Local

Pain included any pain (i.e., mild [transient, no normal activity limitations], moderate [some daily activity limitations], and severe [unable to perform activities]).

Swelling or induration included any swelling or induration of 25 mm or greater.

Severe swelling or induration included swelling/induration over 100 mm.

Injection-site nodules may persist for more than 1 month.[Ref]

Musculoskeletal

Myalgia and arthralgia included any myalgia or arthralgia (i.e., mild [transient, no normal activity limitations], moderate [some daily activity limitations], and severe [unable to perform activities]).[Ref]

Nervous system

Dizziness, presyncope, and syncope occurred within 1 to 30 days after vaccination.

Headache included any headache (i.e., mild [transient, no normal activity limitations], moderate [some daily activity limitations], and severe [unable to perform activities]).

Seizures occurred in 1 patient 9 hours after administration of the first dose of this vaccine.[Ref]

Ocular

Other

Fatigue included any fatigue (i.e., mild [transient, no normal activity limitations], moderate [some daily activity limitations], and severe [unable to perform activities]).

Fever included any fever 38C (100.4F) and greater.

Severe fever included fever of 40C (104F) and greater.[Ref]

Respiratory

References

1. (2025) "Product Information. Penmenvy (cvx 328) (meningococcal group ACWY conjugate-group B vaccine (cvx 328))." GlaxoSmithKline

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Further information

Penmenvy side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.