 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] icult breathing, fast heartbeat. This medication can lower the body's ability to fight an infection. Tell your doctor right away if you develop any signs of an infection such as sore throat that doesn't go away, fever, or chills. This medication may rarely cause a serious bowel infection (enterocolitis). This infection is more likely to occur within 30 days of treatment and when clofarabine is used with other medications to treat cancer. Tell your doctor right away if you develop: diarrhea that doesn't stop, abdominal or stomach pain/cramping, mucus in your stool. Clofarabine sometimes causes side effects due to the rapid destruction of cancer cells (tumor lysis syndrome). To lower your risk, your doctor may add a medication and tell you to drink plenty of fluids. Tell your doctor right away if you have symptoms such as: low back/side pain (flank pain), signs of kidney problems (such as painful urination, pink/bloody urine, change in the amount of urine), muscle spasms/weakness. This drug may rarely cause serious (rarely fatal) bleeding in the brain or lungs, or bleeding from the stomach or intestines. If you notice any of the following unlikely but serious side effects </s>