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Does Pantoprazole Sodium Granules Interact with Methotrexate?

Pantoprazole Sodium Granules and Methotrexate have a major drug interaction according to U.S. FDA drug labeling data. Concomitant use may elevate and prolong serum concentrations of methotrexate and hydroxymethotrexate, possibly leading to toxicities, especially at high doses. The mechanism involves ppi may reduce renal clearance of methotrexate. 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
Methotrexate Class
Folate Analog Metabolic Inhibitor
Management
Close medical supervision required
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Pantoprazole Sodium Granules and Methotrexate occurs because ppi may reduce renal clearance of methotrexate. Clinically, this means concomitant use may elevate and prolong serum concentrations of methotrexate and hydroxymethotrexate, possibly leading to toxicities, especially at high doses. 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 Pantoprazole Sodium Granules and your doctor is considering prescribing Methotrexate (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
💊 Pantoprazole Sodium Granules(Pantoprazole Sodium Delayed-Release Delayed Release)+💊 Methotrexate(Methotrexate)

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
Folate Analog Metabolic Inhibitor
Source
NLP:pantoprazole sodium granules

What this means in plain English

Concomitant use may elevate and prolong serum concentrations of methotrexate and hydroxymethotrexate, possibly leading to toxicities, especially at high doses.

What the FDA label says

"PPI may reduce renal clearance of methotrexate"

📖 Source: NLP:pantoprazole sodium granules

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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.