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Drug interactions

Lesinurad + Phenobarbital

Severity: Minor

Lesinurad and Phenobarbital: 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

Phenobarbital induces hepatic enzymes and may reduce lesinurad concentrations. This could reduce its efficacy in lowering uric acid.

What this interaction means in plain words

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

Evidence level: Low

Why it happens

Phenobarbital induces CYP2C9, increasing lesinurad metabolism.

What to do

Monitor serum uric acid and gout control. Adjust the urate-lowering regimen if the response falls.

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 Lesinurad with Phenobarbital?

MediHelp rates the interaction as minor. Lesinurad and Phenobarbital have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Phenobarbital induces hepatic enzymes and may reduce lesinurad concentrations. This could reduce its efficacy in lowering uric acid.

How serious is the interaction between Lesinurad and Phenobarbital?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum uric acid and gout control. Adjust the urate-lowering regimen if the response falls.

What other medicines interact with Lesinurad?

MediHelp also lists interactions of Lesinurad with, for example, Norethisterone, Acetylsalicylic acid, Amiodarone. The full list is on the Lesinurad page.

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