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Drug interactions

Measles mumps and rubella vaccine live + Mycophenolate mofetil

Severity: Contraindicated

Measles mumps and rubella vaccine live and Mycophenolate mofetil: contraindicated interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

MMR is a live attenuated vaccine and may cause disseminated infection in patients on mycophenolate. Immunosuppression can also reduce vaccine effectiveness.

What this interaction means in plain words

Measles mumps and rubella vaccine live and Mycophenolate mofetil are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Evidence level: High

Why it happens

Immunosuppression impairs control of live attenuated viral replication.

What to do

Do not give while on mycophenolate. Vaccinate at least 4 weeks before starting therapy where possible, and ensure household contacts are immunised.

What to ask your pharmacist

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Measles mumps and rubella vaccine live with Mycophenolate mofetil?

MediHelp rates the interaction as contraindicated. Measles mumps and rubella vaccine live and Mycophenolate mofetil are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. MMR is a live attenuated vaccine and may cause disseminated infection in patients on mycophenolate. Immunosuppression can also reduce vaccine effectiveness.

How serious is the interaction between Measles mumps and rubella vaccine live and Mycophenolate mofetil?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not give while on mycophenolate. Vaccinate at least 4 weeks before starting therapy where possible, and ensure household contacts are immunised.

What other medicines interact with Mycophenolate mofetil?

MediHelp also lists interactions of Mycophenolate mofetil with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal. The full list is on the Mycophenolate mofetil page.

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