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Does Dolutegravir Sodium And Rilpivirine Hydrochloride Interact with Dofetilide?

Dolutegravir Sodium And Rilpivirine Hydrochloride and Dofetilide have a contraindicated drug interaction according to U.S. FDA drug labeling data. Dolutegravir inhibits OCT2 and MATE1, increasing dofetilide plasma concentrations. Consider alternatives due to risk of Torsade de Pointes. The mechanism involves inhibition of renal organic cation transporter 2 (oct2) and multidrug and toxin extrusion transporter 1 (mate1). Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Contraindicated
Dofetilide Class
Antiarrhythmic
Management
Do not take together
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Dolutegravir Sodium And Rilpivirine Hydrochloride and Dofetilide occurs because inhibition of renal organic cation transporter 2 (oct2) and multidrug and toxin extrusion transporter 1 (mate1). Clinically, this means dolutegravir inhibits oct2 and mate1, increasing dofetilide plasma concentrations. consider alternatives due to risk of torsade de pointes. Because of the severity of this interaction, these medications are contraindicated — meaning they should not be taken together under any circumstances. If you are currently taking both, contact your healthcare provider immediately to discuss alternatives.

What To Tell Your Doctor or Pharmacist

If you are taking Dolutegravir Sodium And Rilpivirine Hydrochloride and your doctor is considering prescribing Dofetilide (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Ask about alternative medications that do not interact with your current regimen
  • Ask how frequently you should be monitored while these are co-prescribed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Dolutegravir Sodium And Rilpivirine Hydrochloride(Juluca)+💊 Dofetilide(Dofetilide)

Severity & Interaction Details

⛔
contraindicated
Avoid this combination
FDA labeling lists this pair as contraindicated. The risk outweighs the benefit in nearly all cases.
Severity scale
MinorContra
On record
Yes
Drug A class
—
Drug B class
Antiarrhythmic
Source
NLP:dolutegravir sodium and rilpivirine hydrochloride

What this means in plain English

Dolutegravir inhibits OCT2 and MATE1, increasing dofetilide plasma concentrations. Consider alternatives due to risk of Torsade de Pointes.

What the FDA label says

"Inhibition of renal organic cation transporter 2 (OCT2) and multidrug and toxin extrusion transporter 1 (MATE1)"

📖 Source: NLP:dolutegravir sodium and rilpivirine hydrochloride

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Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.