. 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 is given under the skin (subcutaneously). It comes as 25 mg per 1 milliliter or cubic centimeter. Again, your doctor will prescribe the dose you should use. In children with juvenile rheumatoid arthritis, the dose is based on the child's weight.