Treatment of Hand and Foot Syndrome With Traditional Chinese Medicine Formula LC09 in Patients Who Are Receiving Capecitabine for Colorectal and/or Breast Cancer

RATIONALE: Hand foot syndrome may be treated or reduced by soaking Traditional Chinese Medicine Formula LC09 in patients receiving capecitabine for colorectal and/or breast cancer. PURPOSE: This randomized phase III trial is studying soaking Traditional Chinese Medicine Formula LC09 to see how well they work compared to placebos in preventing hand-foot syndrome in patients who are receiving capecitabine for colorectal or breast cancer.