Symptoms of pneumonia can range from mild to very severe, and can vary depending on the type of pneumonia you have. The most common symptoms of pneumonia include:
- Congestion or a runny nose
- Dry cough
- Sore throat
- Low-grade fever
- Mild headache
Symptoms of more severe pneumonia include:
- Cough, which may produce green, yellow, or bloody mucus
- Fever, which can be mild or high
- Chills and shaking
- Shortness of breath, which may be present only during physical exertion
Other, less common symptoms of pneumonia include:
- Chest pain that is sharp or stabbing and gets worse when coughing or taking deep breaths
- Excessive sweating or clammy skin
- Loss of appetite
- Low energy and fatigue
- Confusion, particularly in older people
Certain symptoms are associated with particular types of pneumonia:
- Bacterial pneumonia: a fever as high as 105ºF may be experienced. You may also experience sweating, rapid breathing, and a rapid heart rate. You may develop a blue hue in the lips and nail beds due to a lack of oxygen in the blood. Your mental state may be confused or delirious.
- Viral pneumonia: the initial symptoms of viral pneumonia are similar to symptoms of the flu. You may experience fever, a dry cough, headache, weakness, and muscle pain. However, within 12 to 36 hours, you will notice increased shortness of breath and a cough that gets progressively worse and produces mucus. You may also experience a high fever and blueness in your lips.
Most pneumonia symptoms subside within a week or two following treatment, but a feeling of tiredness or fatigue can last for a month or longer.