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Does Pantoprazole Sodium In 09 Sodium Chloride Interact with Methotrexate?

Pantoprazole Sodium In 09 Sodium Chloride and Methotrexate have a major drug interaction according to U.S. FDA drug labeling data. Concomitant use of pantoprazole with methotrexate (primarily at high dose) may elevate and prolong serum concentrations, possibly leading to methotrexate toxicities. The mechanism involves ppis elevate and prolong methotrexate and hydroxymethotrexate concentrations. 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 In 09 Sodium Chloride and Methotrexate occurs because ppis elevate and prolong methotrexate and hydroxymethotrexate concentrations. Clinically, this means concomitant use of pantoprazole with methotrexate (primarily at high dose) may elevate and prolong serum concentrations, possibly leading to methotrexate toxicities. 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 In 09 Sodium Chloride 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 In 09 Sodium Chloride(Pantoprazole Sodium)+💊 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 in 0.9% sodium chloride

What this means in plain English

Concomitant use of pantoprazole with methotrexate (primarily at high dose) may elevate and prolong serum concentrations, possibly leading to methotrexate toxicities.

What the FDA label says

"PPIs elevate and prolong methotrexate and hydroxymethotrexate concentrations"

📖 Source: NLP:pantoprazole sodium in 0.9% sodium chloride

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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.