 <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]  others. The risk of serotonin syndrome/toxicity may be more likely when you start or increase the dose of these drugs. Some products can interact with linezolid if you use them together, or even if you use them weeks before or after using linezolid. Tell your doctor or pharmacist if you use anything in the list of products that may interact with this drug, or any of the products that increase serotonin, within 2 weeks before or after using linezolid. Also tell them if you have taken fluoxetine within 5 weeks before starting linezolid. Ask your doctor how much time to wait between starting or stopping any of these drugs and starting linezolid. Taking other MAO inhibitors with this medication may cause a serious (possibly fatal) drug interaction. Do not take any other MAO inhibitors (isocarboxazid, metaxalone, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, safinamide, selegiline, tranylcypromine) during treatment with this medication. Most MAO inhibitors should also not be taken for two weeks before and after treatment with this medication. Ask your doctor when to start or stop using this medication. Before </s>