Pneumonia - Symptoms
pneumonia caused by bacteria in otherwise healthy
people younger than 65 usually come on suddenly. They often start during or
upper respiratory infection, such as the
flu or a cold. Symptoms may include:
- Cough, often producing
mucus, also called sputum, from the lungs. Mucus may be rusty or
green or tinged with blood.
- Fever, which may be less common in
- Shaking, "teeth-chattering" chills.
- Fast, often shallow, breathing and the feeling of
being short of breath.
- Chest wall pain that is often made worse by
coughing or breathing in.
- Fast heartbeat.
- Feeling very tired or weak.
- Nausea and vomiting.
Symptoms of pneumonia not caused by bacteria may come on gradually and are often not as bad or as obvious as symptoms of bacterial pneumonia. Many people don't know that they have
nonbacterial pneumonia, because they don't feel sick. But symptoms may include:
- Shortness of breath.
- Little mucus when you cough.
symptoms are mild, your doctor may call your condition "walking
In older adults and children
Older adults may have
different, fewer, or milder symptoms, such as having no fever or having a cough with no mucus
(a dry or nonproductive cough). The major sign of pneumonia in older adults may
be a change in how clearly they think (confusion or
delirium) or when a lung disease they already have
In children, symptoms may depend on age:
- In infants younger than 1 month of age,
symptoms may include having little or no energy (lethargy), feeding poorly,
grunting, or having a fever.
- In children, symptoms of pneumonia are
often the same as in adults. Your doctor will look for signs such as cough and
a breathing rate over 60 breaths a minute.
Some conditions with symptoms similar to pneumonia include bronchitis,