 <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]  mental/mood changes (such as depression, hallucinations, confusion), easy bleeding/bruising, severe tiredness. Get medical help right away if you have any very serious side effects, including: seizures, chest/jaw/left arm pain, signs of liver problems (such as nausea that doesn't stop, dark urine, vomiting, stomach/abdominal pain, yellowing eyes/skin). Trouble breathing may rarely occur with vincristine treatment, especially when it is given with another chemotherapy drug, mitomycin-C. Patients with lung problems may be more sensitive to this side effect. Long-term treatment of this side effect may be required if it worsens. This effect may occur within minutes to several hours after vincristine is given and up to 2 weeks after the dose of mitomycin-C. Get medical help right away if you have shortness of breath or coughing. If you have this reaction, you should not receive vincristine again. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness </s>