Pneumonia is an acute form of respiratory infection that impacts the lungs. It is defined as an inflammation of the lung tissue due to an infectious agent. The commonly used clinical WHO operational definition is based only on clinical symptoms (cough or difficulties in breathing and tachypnea). Pneumonia is the only major infectious cause of pediatric mortality internationally. Pneumonia death is about 920 000 children under the age of 5 years in 2015, representing 16% of all pediatric mortality below 5 years old. Pneumonia influences children and families everywhere, however, is most usual in South Asia and Sub-Saharan Africa. Children can be avoided with easy interventions and treated with low-cost, low technical medication, and care .In Egypt, it was estimated that 10% of deaths in children under the age of 5 years is probably caused by pneumonia and other acute respiratory infections. The onset is gradual, with headaches, malaise, fever, not reaching a high degree of severity. Respiratory tract symptoms: Dry, hacking to productive cough with light sputum. Cough is the most common symptom of a respiratory tract infection. Pneumonia is frequently preceded by several days of symptoms of an upper respiratory tract infection, typically rhinitis and cough. In viral pneumonia, fever is usually present but temperatures are generally lower than in bacterial pneumonia