ABSTRACT
The main cause of pulmonary infection due to anaerobes is aspiration. There are many risk factors including: depressed consciousness level, seizures, CNS illnesses, etc. Weight loss, sickness and stinking sputum productive cough are the clinical findings. The radiographics, clinical findings and pulmonary aspirate Gram's stained are diagnosis supportive and confirmated by microorganism culture. The treatment includes proper drainage, necrotic tissues debridement, and antibiotc therapy against aeroes and anaerobes. A school age male, seven years old, with a curse of four month with lengthy pneumony history treated 10 days as a a outpatient and 35 dyas inside the hospital is the case shown. He was admited again due to foul smelling vomit and bad conditions. He was treated with therapy against anaerobes. Culture and biopsy were carried out with a sample of vomit resulted: Peptococus, Peptostreptococcus and Acynetobacter calcoaceticus in the first and necrotic pulmonary tissue in the second. His curse at hospital was slow but satisfactory