Pneumonia is an inflammatory circumstance of the lung affecting usually the small air sacs known as alveoli. Symptoms usually encompass some combination of effective or dry cough, chest ache, fever and problem breathing. The severity of the circumstance is variable. Pneumonia is generally because of contamination with viruses or bacteria and much less usually with the aid of other microorganisms, sure medicinal drugs or situations including autoimmune sicknesses. Risk factors consist of cystic fibrosis, chronic obstructive pulmonary disorder (COPD), sickle cell disease, bronchial asthma, diabetes, coronary heart failure, a history of smoking, a negative capacity to cough (which includes following a stroke), and a weak immune machine. Diagnosis is frequently primarily based on signs and bodily examination. Chest X-rays, blood checks, and tradition of the sputum may additionally assist verify the analysis. The ailment may be classified with the aid of where it became obtained, such as network- or health center-received or healthcare-associated pneumonia. Vaccines to save you sure kinds of pneumonia are available. Other techniques of prevention encompass hand washing and now not smoking. Treatment relies upon on the underlying purpose. Pneumonia believed to be because of micro organism is dealt with with antibiotics. If the pneumonia is extreme, the affected character is generally hospitalized. Oxygen remedy may be used if oxygen stages are low.