Skip to content

Drug interactions

Isoniazid + Valoctocogene roxaparvovec

Severity: Moderate

Isoniazid and Valoctocogene roxaparvovec: moderate 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

Valoctocogene roxaparvovec commonly causes raised liver enzymes, and isoniazid is a well-known hepatotoxic drug. Combining them may increase the risk and severity of liver injury and complicate interpretation of enzyme rises.

What this interaction means in plain words

Isoniazid and Valoctocogene roxaparvovec can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Isoniazid belongs to Anti Bacterial; Valoctocogene roxaparvovec belongs to Miscellaneous.

Evidence level: Moderate

Why it happens

Additive hepatotoxicity from gene therapy-related transaminitis and isoniazid-induced liver injury.

What to do

Monitor liver enzymes closely, more often than the gene therapy schedule alone. Consider alternatives to isoniazid or hold hepatotoxic drugs if enzymes rise.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Isoniazid and Valoctocogene roxaparvovec, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Isoniazid with Valoctocogene roxaparvovec?

MediHelp rates the interaction as moderate. Isoniazid and Valoctocogene roxaparvovec can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Valoctocogene roxaparvovec commonly causes raised liver enzymes, and isoniazid is a well-known hepatotoxic drug. Combining them may increase the risk and severity of liver injury and complicate interpretation of enzyme rises.

How serious is the interaction between Isoniazid and Valoctocogene roxaparvovec?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor liver enzymes closely, more often than the gene therapy schedule alone. Consider alternatives to isoniazid or hold hepatotoxic drugs if enzymes rise.

What other medicines interact with Isoniazid?

MediHelp also lists interactions of Isoniazid with, for example, Bacillus calmette-guerin substrain tice, Benzhydrocodone / acetaminophen, Carbamazepine. The full list is on the Isoniazid page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in