Jamp Pharma Corporation, in consultation with Health Canada, is voluntarily recalling one lot of Jamp-Methotrexate USP 50mg/2mL due to the potential presence of foreign particulate matter. Methotrexate Injection is administered by health care professionals but Health Canada is also aware that this product may be self-administered by subcutaneous injection (under the skin) by patients at home. The risks associated with subcutaneous injection of foreign particulate matter include local reaction at the injection site and/or swelling or possible allergic reaction and infection.