 <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] . This medication can cause serious (sometimes fatal) side effects in many parts of the body. These effects can occur during treatment with ipilimumab, but can also occur months after the last dose of this medication. Get medical help right away if you have any very serious side effects, including: headache that doesn't go away, signs of intestinal problems (such as diarrhea, mucus or blood in your stool, stomach pain), signs of liver disease (such as yellowing of skin/eyes, dark urine), unusual bleeding/bruising, unusual weakness, mouth sores, numbness/tingling in hands/feet, signs of thyroid problems (such as feeling cold all the time, heat intolerance, weight gain/loss, fast/pounding/irregular heartbeat), mental /mood changes, change in sex drive, signs of kidney problems (such as change in the amount of urine), increased thirst/urination, dizziness, fainting, eye pain/redness, vision changes (such as blurred vision, double vision, decreased vision, blindness), signs of lung problems (such as chest pain, shortness of breath, new/worsening cough), seizure, muscle pain, hearing loss, night sweats. A very serious allergic reaction </s>