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Drug interactions

Secobarbital + Tipranavir

Severity: Major

Secobarbital and Tipranavir: major 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

Secobarbital can induce CYP3A4 and P-glycoprotein, which may lower tipranavir plasma concentrations. Subtherapeutic antiretroviral levels risk virologic failure and resistance.

What this interaction means in plain words

Secobarbital and Tipranavir 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.

Secobarbital belongs to Central Nervous System; Tipranavir belongs to Anti Virals.

Evidence level: Moderate

Why it happens

Barbiturate-mediated induction of CYP3A4 and P-glycoprotein increases tipranavir clearance.

What to do

Avoid the combination if possible and choose a non-inducing sedative or anticonvulsant. If it must be used, monitor HIV viral load and tipranavir trough concentrations.

What to ask your pharmacist

  • 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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Frequently asked questions

Can I take Secobarbital with Tipranavir?

MediHelp rates the interaction as major. Secobarbital and Tipranavir 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. Secobarbital can induce CYP3A4 and P-glycoprotein, which may lower tipranavir plasma concentrations. Subtherapeutic antiretroviral levels risk virologic failure and resistance.

How serious is the interaction between Secobarbital and Tipranavir?

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 the combination if possible and choose a non-inducing sedative or anticonvulsant. If it must be used, monitor HIV viral load and tipranavir trough concentrations.

What other medicines interact with Secobarbital?

MediHelp also lists interactions of Secobarbital with, for example, Calcium / magnesium / potassium / sodium oxybates, Doravirine, Elbasvir / grazoprevir. The full list is on the Secobarbital page.

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