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Interazioni tra farmaci

Diclofenac + Pemetrexed

Gravità: Maggiore

Diclofenac and Pemetrexed: major interaction.

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Sintesi

NSAIDs can reduce the renal clearance of pemetrexed, leading to higher exposure and increased myelosuppression, renal and gastrointestinal toxicity. The risk is greatest in patients with mild to moderate renal impairment.

Cosa significa questa interazione in parole semplici

Diclofenac and Pemetrexed 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.

Diclofenac belongs to Musculoskeletal; Pemetrexed belongs to Oncology.

Livello di evidenza: Moderate

Perché avviene

Reduced renal elimination of pemetrexed, likely through NSAID effects on renal perfusion and tubular handling.

Cosa fare

Avoid diclofenac around pemetrexed dosing, following labeling guidance on NSAID interruption. If it must be used, monitor blood counts and renal function closely.

Cosa chiedere al farmacista

  • 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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Domande frequenti

Can I take Diclofenac with Pemetrexed?

MediHelp rates the interaction as major. Diclofenac and Pemetrexed 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. NSAIDs can reduce the renal clearance of pemetrexed, leading to higher exposure and increased myelosuppression, renal and gastrointestinal toxicity. The risk is greatest in patients with mild to moderate renal impairment.

How serious is the interaction between Diclofenac and Pemetrexed?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid diclofenac around pemetrexed dosing, following labeling guidance on NSAID interruption. If it must be used, monitor blood counts and renal function closely.

What other medicines interact with Diclofenac?

MediHelp also lists interactions of Diclofenac with, for example, Ketorolac, Ketorolac intranasal, Aceclofenac. The full list is on the Diclofenac page.

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