•  Chest pain when breathing in.

•  Fever and chills.

•  Cough, often with bloody, dark yellow, green, or rust-colored sputum.

•  Shortness of breath. Rapid breathing.

•  Appetite loss.

•  Fatigue. Headache. Nausea. Vomiting.

•  Bluish lips and fingertips, if severe.

•  Having had pneumonia before.

•  Being in the hospital for other problems.

•  A suppressed cough reflex after a stroke.

•  Smoking.

•  Very poor diet, alcoholism, or drug use.

•  A recent respiratory infection.

•  Emphysema. Chronic bronchitis.

•  Radiation treatments, chemotherapy, and any medication or illness that wears down the immune system.

•  Medications.

•  Oxygen therapy. Hospitalization. Removing fluid from the lungs, if needed.

•  Get vaccines for influenza and pneumonia.

•  Don’t smoke. If you smoke, quit. Avoid secondhand smoke.

•  Get plenty of rest.

•  Use a cool-mist vaporizer in the room(s) in which you spend most of your time.

•  Drink plenty of fluids.

•  Take medicines as prescribed by your doctor. Take the medicine for pain and/or fever that your doctor advises. Over-the-counter pain relievers should be avoided for some types of bacterial pneumonia.