由两种或两种以上病原体所致的脑膜炎一般称混合性脑膜炎,虽较少见,但及时正确诊断,对预后影响甚大,现报告1例如下。患儿男,2岁。因间断发热3个月,时有呕吐入院。病后中度发热,午后为著。呕吐呈非喷射性,伴神志萎靡,饮食减少,逐渐消瘦。曾间断用青、链霉素、卡那霉素、庆大霉素等治疗,病情无缓解,且日趋加重。本人及家族中无结核病及其接触史。查体: Meningitis caused by two or more pathogens generally refers to mixed meningitis, although rare, but timely and correct diagnosis, great impact on the prognosis, one case is reported as follows. Children male, 2 years old. Due to intermittent fever 3 months, when vomiting admitted. Moderate fever after illness, as the afternoon. Vomiting was non-jetty, with apathetic diet to reduce, gradually weight loss. Once interrupted with blue, streptomycin, kanamycin, gentamicin and other treatment, the disease did not ease, and increasing. I and my family have no history of TB and their exposure. Physical examination: