“…Some of the untoward reactions seen in our patients, such as posttreatment leukocytosis, flushing, fatigue, headache, hives, hypotension, low back pain, and nasal congestion, appeared to be due to complement activation, since they were lessened when complement activation was reduced by elimination of Mg++ from the precipitation solution. A rise in hepatic enzymes or gastrointestinal discomfort may have been caused by DxS, since it is known to be excreted in both bile [16] and urine [17], as well as metabolized in the liver [HI. In addition to thrombocytopenia, alopecia and arthralgia have been the most prominent side effects seen by other investigators during the administration of DxS to humans 1191.…”