You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is An old patient of tubercular meningitis is not responding to treatment. A new combination of drugs has to be prescribed for a prolonged period. Which one of the following should not be prescribed in this case - and explain in detail?
None