Pharmacy
MTX medical abbreviation
MTX means "methotrexate".
On the ISMP List of Error-Prone Abbreviations. ISMP suggests: Write the full drug name.
Each meaning matched at least two public references (3 in all for MTX), checked October 23, 2026. The table lists them.
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What MTX means
| Meaning | Latin origin | Where used | Checked against |
|---|---|---|---|
| methotrexate | None | Prescriptions, Pharmacy |
Example
Training example of an error-prone entry: "MTX" on an order.
A made-up line that shows the abbreviation in place. It is not about any patient and is not an instruction.
Related abbreviations
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Questions
What does MTX mean in medical terms?
MTX means "methotrexate".
Where is MTX used?
MTX shows up in prescriptions and pharmacy. Its category here is pharmacy.
Is MTX on the Joint Commission Do Not Use list?
No, but ISMP lists MTX as an error-prone abbreviation. ISMP's suggested practice: Write the full drug name.