Methotrexate therapy for maintenance management of Crohn disease
Methotrexate can be considered as an alternative immunomodulatory therapy for maintenance management of Crohn disease. For the steps that should be undertaken before starting methotrexate therapy, see Considerations before starting immunomodulatory therapy in the Rheumatology guidelines—the considerations are the same as for rheumatological diseases. Use:
1methotrexate 10 to 25 mg subcutaneously or intramuscularly, on one specified day per week methotrexate methotrexate methotrexate
OR
1methotrexate 10 to 25 mg orally, on one specified day per week methotrexate methotrexate methotrexate
PLUS WITH EITHER OF THE ABOVE
folic acid 5 to 10 mg orally, once per week (preferably not on the same day as methotrexate). folic acid folic acid folic acid
Immunomodulatory drugs are associated with significant adverse effects. Monitor carefully for complications, especially during the first 3 months of therapy. For factors to consider when reviewing the patient after immunomodulator therapy has started, see Considerations during immunomodulatory therapy in the Rheumatology guidelines—the considerations are the same as for rheumatological diseases.