The treatment of TB meningitis is isoniazid , rifampicin , pyrazinamide and ethambutol for two months, followed by isoniazid and rifampicin alone for a further ten months.  Steroids help reduce the risk of death in those without HIV .  Steroids can be used in the first six weeks of treatment,  A few people may require immunomodulatory agents such as thalidomide .  Hydrocephalus occurs as a complication in about a third of people with TB meningitis. The addition of aspirin may reduce or delay mortality, possibly by reducing complications such as infarcts.