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With total doses exceeding 0.4 mg/kg of body weight for a single course, severe leukopenia, anemia, thrombocytopenia and a hemorrhagic diathesis with subsequent delayed bleeding may develop. Death may follow. The only treatment in instances of excessive dosage appears to be repeated blood product transfusions, antibiotic treatment of complicating infections and general supportive measures.

The intravenous LD50 of MUSTARGEN is 2 mg/kg and 1.6 mg/kg in the mouse and rat, respectively. The oral LD50 for mechlorethamine hydrochloride is 20 mg/kg and 10 mg/kg in the mouse and rat, respectively.


The use of MUSTARGEN is contraindicated in the presence of known infectious diseases and in patients who have had previous anaphylactic reactions to MUSTARGEN.

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 9/18/2013


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