HomePrenatal Supplement With DhaPrenatal Supplement With Dha + Methotrexate

Does Prenatal Supplement With Dha Interact with Methotrexate?

Prenatal Supplement With Dha and Methotrexate have a moderate drug interaction according to U.S. FDA drug labeling data. Folic acid may decrease a patient's response to methotrexate. The mechanism involves folic acid decreases methotrexate effectiveness. 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
Moderate
Prenatal Supplement With Dha Class
Vitamin C
Methotrexate Class
Folate Analog Metabolic Inhibitor
Management
Monitor for effects
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Prenatal Supplement With Dha and Methotrexate occurs because folic acid decreases methotrexate effectiveness. Clinically, this means folic acid may decrease a patient's response to methotrexate. This is classified as a moderate interaction. While it may not require stopping either medication, your healthcare provider should be aware you are taking both so they can monitor for potential effects and adjust treatment if necessary.

What To Tell Your Doctor or Pharmacist

If you are taking Prenatal Supplement With Dha 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 whether any dosage adjustments are needed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Prenatal Supplement With Dha(Vitafol One)+💊 Methotrexate(Otrexup)

Severity & Interaction Details

🟡
moderate
Be aware — moderate interaction
Documented interaction with manageable risk. May require dose adjustment or monitoring.
Severity scale
MinorContra
On record
Yes
Drug A class
Vitamin C
Drug B class
Folate Analog Metabolic Inhibitor
Source
NLP:prenatal supplement with dha

What this means in plain English

Folic acid may decrease a patient's response to methotrexate.

About Prenatal Supplement With Dha and Methotrexate

Prenatal Supplement With Dha is a Vitamin C, while Methotrexate is a Folate Analog Metabolic Inhibitor. You may recognize them by the brand names Vitafol One and Otrexup. Prenatal Supplement With Dha is taken by mouth, whereas Methotrexate is given by intramuscular injection. Both Prenatal Supplement With Dha and Methotrexate carry an FDA boxed warning — the agency's most serious safety designation.

What the FDA label says

"Folic acid decreases methotrexate effectiveness"

📖 Source: NLP:prenatal supplement with dha

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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.