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Does Delavirdine Interact with Methylergonovine Maleate?

Delavirdine and Methylergonovine Maleate have a contraindicated drug interaction according to U.S. FDA drug labeling data. Potent CYP 3A4 inhibitor (HIV reverse transcriptase inhibitor); rare reports of serious adverse events including vasospasm leading to cerebral ischemia and extremity ischemia with ergot alkaloids. The mechanism involves cyp 3a4 inhibition. 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
Contraindicated
Management
Do not take together
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Delavirdine and Methylergonovine Maleate occurs because cyp 3a4 inhibition. Clinically, this means potent cyp 3a4 inhibitor (hiv reverse transcriptase inhibitor); rare reports of serious adverse events including vasospasm leading to cerebral ischemia and extremity ischemia with ergot alkaloids. Because of the severity of this interaction, these medications are contraindicated — meaning they should not be taken together under any circumstances. If you are currently taking both, contact your healthcare provider immediately to discuss alternatives.

What To Tell Your Doctor or Pharmacist

If you are taking Delavirdine and your doctor is considering prescribing Methylergonovine Maleate (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 about alternative medications that do not interact with your current regimen
  • Ask how frequently you should be monitored while these are co-prescribed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Delavirdine+💊 Methylergonovine Maleate(Methylergonovine Maleate)

Severity & Interaction Details

⛔
contraindicated
Avoid this combination
FDA labeling lists this pair as contraindicated. The risk outweighs the benefit in nearly all cases.
Severity scale
MinorContra
On record
Yes
Drug A class
—
Drug B class
—
Source
NLP:methylergonovine maleate

What this means in plain English

Potent CYP 3A4 inhibitor (HIV reverse transcriptase inhibitor); rare reports of serious adverse events including vasospasm leading to cerebral ischemia and extremity ischemia with ergot alkaloids.

What the FDA label says

"CYP 3A4 inhibition"

📖 Source: NLP:methylergonovine maleate

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Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.