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Context: Maytenus macrocarpa (Chuchuhuasi) has long been employed in Peru as a traditional alternative therapy for several diseases, including cancer, arthritis and diarrhea. Recent studies show that several species of Maytenus have effects on nociceptive and inflammatory signaling, as well as toxic effects on behavioral neuronal pathways. Aims: The aim of this study is to evaluate the anti-inflammatory effects and neurobehavioral side manifestations of the leaf of Maytenus macrocarpa (Ruiz and Pavón) Briquet. Methods and Materials: Experimental study, double blind. 60 male albino mice strain Balb/c were divided in ten groups and each group, was orally feed with different doses of ethanolic extracts of Maytenus macrocarpa (500, 750, 1000, 1250 and 1500 mg/kg), others group received distilled water, caffeine 32 mg/kg, diazepam 32 mg/kg, diclofenac 15 mg/kg and the last group without subs...