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Does Bedaquiline Fumarate Interact with Drugs That Prolong Qtc Interval?

Bedaquiline Fumarate and Drugs That Prolong Qtc Interval have a major drug interaction according to U.S. FDA drug labeling data. Additional QTc interval prolongation observed during combination treatment with SIRTURO. Monitor ECGs and discontinue if serious ventricular arrhythmia or QTc >500 ms occurs. The mechanism involves additive qtc prolongation. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Major
Management
Close medical supervision required
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Bedaquiline Fumarate and Drugs That Prolong Qtc Interval occurs because additive qtc prolongation. Clinically, this means additional qtc interval prolongation observed during combination treatment with sirturo. monitor ecgs and discontinue if serious ventricular arrhythmia or qtc >500 ms occurs. This is classified as a major interaction, meaning it could cause serious harm if not properly managed. Your healthcare provider may need to adjust dosages, substitute one medication, or increase monitoring frequency.

What To Tell Your Doctor or Pharmacist

If you are taking Bedaquiline Fumarate and your doctor is considering prescribing Drugs That Prolong Qtc Interval (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Ask how frequently you should be monitored while these are co-prescribed
  • Ask whether any dosage adjustments are needed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Bedaquiline Fumarate(Sirturo)+💊 Drugs That Prolong Qtc Interval(Kyleena)

Severity & Interaction Details

⚠️
major
Use with caution — major interaction
Serious risk of clinically significant harm. Generally avoid; if used, monitor closely.
Severity scale
MinorContra
On record
Yes
Drug A class
—
Drug B class
—
Source
NLP:bedaquiline fumarate

What this means in plain English

Additional QTc interval prolongation observed during combination treatment with SIRTURO. Monitor ECGs and discontinue if serious ventricular arrhythmia or QTc >500 ms occurs.

About Bedaquiline Fumarate and Drugs That Prolong Qtc Interval

You may recognize them by the brand names Sirturo and Kyleena. Bedaquiline Fumarate is taken by mouth. Bedaquiline Fumarate additionally carries an FDA boxed warning, the FDA's strongest safety alert.

What the FDA label says

"Additive QTc prolongation"

📖 Source: NLP:bedaquiline fumarate

Recent research & FDA safety updates

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Auto-aggregated from PubMed E-utilities and FDA safety data.

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Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.