. 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.
Methotrexate Injection may be given by the intramuscular, intravenous, intraarterial or intrathecal routes. Note: Only the 50 mg/2 ml presentation should be used for the intrathecal route of administration to prevent accidental overdose. Dosage is related to the patient's body weight or surface area.