Ibuprofen and Pemetrexed: Drug Interaction Guide

Quick answer: This combination requires caution. Ibuprofen and Pemetrexed can be used together with adjustments and monitoring.

Interaction severity: Moderate — caution required

How Ibuprofen interacts with Pemetrexed

Ibuprofen inhibits OAT3-mediated renal tubular secretion of pemetrexed, increasing pemetrexed exposure and the risk of myelosuppression, mucositis, and renal toxicity.

What you should do

In patients with reduced renal function, withhold ibuprofen around pemetrexed administration according to the pemetrexed dosing schedule. Monitor blood counts and renal function closely.

Key facts

Severity

Moderate — caution required

Mechanism

Ibuprofen inhibits OAT3-mediated renal tubular secretion of pemetrexed, increasing pemetrexed exposure and the risk of m...

Action

In patients with reduced renal function, withhold ibuprofen around pemetrexed administration according to the pemetrexed...

Important medical disclaimer: This page provides educational information about drug interactions for general reference. It is not a substitute for professional medical advice, diagnosis, or treatment. Always discuss your specific medications with a qualified healthcare provider before starting, stopping, or changing any treatment. About our editorial team.

Frequently asked questions

Can I take Ibuprofen and Pemetrexed together?

With caution. In patients with reduced renal function, withhold ibuprofen around pemetrexed administration according to the pemetrexed dosing schedule. Monitor blood counts and renal function closely.

What is the severity of this interaction?

The interaction between Ibuprofen and Pemetrexed is classified as Moderate — caution required. Ibuprofen inhibits OAT3-mediated renal tubular secretion of pemetrexed, increasing pemetrexed exposure and the risk of myelosuppression, mucositis, and renal toxicity.

What should I do if I'm prescribed both?

In patients with reduced renal function, withhold ibuprofen around pemetrexed administration according to the pemetrexed dosing schedule. Monitor blood counts and renal function closely. Always consult your prescribing clinician — do not stop or change medications without medical guidance.

Last reviewed: by iMedic Medical Editorial Team. Our editorial process.