Prophylactic antibiotics can also be administered, to avoid outbreaks of bacterial meningitis like in households where individuals haven't been vaccinated against Neisseria meningitidis.

预防性抗生素也可以被给药，以避免细菌性脑膜炎发作，比如在有家属还没有接种脑膜炎奈瑟菌疫苗的家庭中。