Cerebral toxoplasmosis is a prevalent infection in HIV patients, therefore this study aimed to determine the clinical and epidemiological characteristics of cerebral toxoplasmosis in HIV patients in a level III Hospital - Iquitos. This was a descriptive, non-experimental study, retrospective and cross-sectorial scope in 46 HIV patients with confirmed cerebral toxoplasmosis. Concluding that the average age was 37 years, the majority corresponds to the male sex (76.1%), with a secondary education level (63%) and come from an urban área (82.6%). Their family members were an average of 5 people per house and had 2 to 3 rooms, with a tendency to have pets (69.5%). Regarding the clinical characteristics, 86.9% had fever, 76% headache, 26% fainting, 23.9% epileptic crisis, 47.8% focal déficit and 41.3% alteration of consciousness; with an average on the Glasgow scale of 12.2. Regarding coinfe...