. Ask Us Anything ! The temperature range is determined by the base elastomer used. This chart depicts the maximum temperature range for each elastomer. The temperature range for a specific compound may not reach these maximum limits.
The cost for a weekly dose (7.5 to 15.0 mg) of methotrexate tablets ranges from $6 to $15 for the generic product and from $9 to $22 for Rheumatrex. The weekly cost for methotrexate injection (generic only) ranges from $6 to $25. 09-03-2010 #3.
The usual dosage of methotrexate for patients with rheumatoid arthritis ranges from 7.5 to 25 mg once weekly. Otrexup should be administered SC in the abdomen or thigh. Four 25-mg auto-injectors cost $548.00, compared to $5.00 for a single 4-mL vial of generic methotrexate containing 25 mg/mL.