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METHOTREXATE PRESERVATIVE FREE vs PEMETREXED DISODIUM

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 18, 2026·How we rate

Possible drug interaction. METHOTREXATE PRESERVATIVE FREE and PEMETREXED DISODIUM are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

methotrexate preservative freepemetrexed disodium

Rating

54/100
70/100

Pharmacy pays

~$4.92 /30
—

Type

RX
RX

Active ingredient

METHOTREXATE SODIUM
PEMETREXED DISODIUM

Manufacturer

Hospira
Amneal

Dosage forms

Injectable
Injectable

Drug class

Folate Analog Metabolic Inhibitor
Folate Analog Metabolic Inhibitor

Boxed warning

Boxed warning
None

Half-life

about 3 to 10 hours
—

Treats

Juvenile Arthritis, Rheumatoid Arthritis, Breast Neoplasms
Non-Small-Cell Lung Carcinoma, Mesothelial Neoplasms

Frequently asked questions

Which is better-rated, Methotrexate Preservative Free or Pemetrexed Disodium?

By our independent rating, Pemetrexed Disodium scores higher — 3.5 vs 2.7 out of 5 for Methotrexate Preservative Free. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Methotrexate Preservative Free and Pemetrexed Disodium?

Methotrexate Preservative Free contains Methotrexate Sodium, while Pemetrexed Disodium contains Pemetrexed Disodium — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.