Safety
Medication

MTX

Methotrexate

High risk

Risk

ISMP lists MTX as error-prone: methotrexate may be mistaken as mitoxantrone.

Safer Alternative

Write "methotrexate"

Example

MTX confused with mitoxantrone

Sources

https://online.ecri.org/hubfs/ISMP/Resources/ISMP_ErrorProneAbbreviation_List.pdf