" Pneumonia is an infection which affects the lungs. Coughing, a fever, and difficulty breathing are common symptoms. Sickness can vary from mild to severe. Those already sick, babies, and older adults are more prone to severe sickness. An x-ray or blood test may be used for diagnostics. Pneumonia will go away and can be treated. Bacterial Pneumonia may be treated with an antibiotic. As always, get plenty of rest and sleep. Always drink plenty of ...