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Drug interactions

Diflunisal + Measles mumps and rubella vaccine

Severity: Minor

Diflunisal and Measles mumps and rubella vaccine: minor 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

Diflunisal is a salicylate derivative, and salicylates after varicella-containing vaccines raise concern about Reye syndrome. With MMR alone, the risk is theoretical.

What this interaction means in plain words

Diflunisal and Measles mumps and rubella vaccine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Diflunisal belongs to Musculoskeletal; Measles mumps and rubella vaccine belongs to Miscellaneous.

Evidence level: Low

Why it happens

Theoretical salicylate-associated Reye syndrome; not established for MMR without varicella.

What to do

No special action for MMR alone; if a varicella-containing vaccine is given, avoid salicylates for the labeled period.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Diflunisal with Measles mumps and rubella vaccine?

MediHelp rates the interaction as minor. Diflunisal and Measles mumps and rubella vaccine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Diflunisal is a salicylate derivative, and salicylates after varicella-containing vaccines raise concern about Reye syndrome. With MMR alone, the risk is theoretical.

How serious is the interaction between Diflunisal and Measles mumps and rubella vaccine?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No special action for MMR alone; if a varicella-containing vaccine is given, avoid salicylates for the labeled period.

What other medicines interact with Measles mumps and rubella vaccine?

MediHelp also lists interactions of Measles mumps and rubella vaccine with, for example, Adalimumab, Anakinra, Antithymocyte globulin equine. The full list is on the Measles mumps and rubella vaccine page.

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