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Drug interactions

Cabotegravir + Raltegravir

Severity: Major

Cabotegravir and Raltegravir: major 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

Both are HIV integrase strand transfer inhibitors, so combining them is therapeutically duplicative. Cabotegravir with rilpivirine is intended as a complete regimen and adding raltegravir offers no established benefit.

What this interaction means in plain words

Cabotegravir and Raltegravir can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Cabotegravir belongs to Anti Virals; Raltegravir belongs to Anti Virals.

Evidence level: Low

Why it happens

Pharmacodynamic duplication of integrase inhibitor therapy, with no established combination benefit.

What to do

Do not combine; use one integrase inhibitor within a complete regimen. Choose either raltegravir-based therapy or cabotegravir plus rilpivirine.

What to ask your pharmacist

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

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 Cabotegravir with Raltegravir?

MediHelp rates the interaction as major. Cabotegravir and Raltegravir can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both are HIV integrase strand transfer inhibitors, so combining them is therapeutically duplicative. Cabotegravir with rilpivirine is intended as a complete regimen and adding raltegravir offers no established benefit.

How serious is the interaction between Cabotegravir and Raltegravir?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not combine; use one integrase inhibitor within a complete regimen. Choose either raltegravir-based therapy or cabotegravir plus rilpivirine.

What other medicines interact with Raltegravir?

MediHelp also lists interactions of Raltegravir with, for example, Elvitegravir / cobicistat / emtricitabine / tenofovir df, Aluminum hydroxide / magnesium carbonate, Aluminum hydroxide / magnesium trisilicate. The full list is on the Raltegravir page.

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