 <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]  medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.The precautions of Colistin (Colistimethate Sodium) Injection: Before using colistimethate, tell your doctor or pharmacist if you are allergic to it; or to polymyxin B or colistin; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: diseases of the nerves/muscles (such as myasthenia gravis), kidney disease. This drug may make you dizzy. Alcohol or marijuana (cannabis) can make you more dizzy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Limit alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis). Before having surgery or any procedure requiring anesthesia or medications that block nerve or muscle activity, tell your doctor or dentist that you are using this medication. This medication may cause live bacterial vaccines (such as typhoid vaccine) to not work well. </s>