1. Tuberculous meningitis is caused by primary infection or reactivation of tuberculosis in the brain and meninges. It presents with nonspecific symptoms like fever, headache, vomiting, and altered mental status. 2. Diagnosis involves examination of cerebrospinal fluid which may show presence of tuberculosis bacteria, inflammatory cells, or elevated proteins. Imaging can reveal hydrocephalus, basal exudates, or tuberculomas. 3. Treatment consists of a combination of antitubercular medications like isoniazid, rifampin, pyrazinamide, and steroids administered for at least 6-9 months. Drug resistant tuberculosis requires alternative, more toxic drug regimens for