Respiratory Health

Protecting Against Pneumonia: It Could Get Serious

What is Pneumonia?

Pneumonia is an infection that inflames the air sacs in one or both lungs. These air sacs, known as alveoli, can fill with fluid or pus, leading to symptoms such as cough, fever, chills, and difficulty breathing.

Pneumonia can be caused by a variety of pathogens, including bacteria, viruses, and fungi, and it can affect individuals of all ages. The severity of pneumonia can range from mild to life-threatening, particularly in vulnerable populations such as the elderly, infants, and those with compromised immune systems.

How do you get Pneumonia:

You can acquire pneumonia at various sources of exposure:

  • Community-Acquired Pneumonia: This type of pneumonia develops in individuals outside of hospital or healthcare settings, typically in the community where people live and work. This condition is caused by various pathogens, including bacteria, viruses, and fungi.
  • Hospital-Acquired Pneumonia: This type develops 48 hours or more after a person has been admitted to a hospital. It is often more severe due to the higher likelihood of antibiotic-resistant bacteria being involved.
  • Healthcare-Associated Pneumonia: This type occurs in patients who have spent significant time in healthcare settings, such as long-term care facilities or outpatient clinics.
  • Aspiration Pneumonia: This form occurs when food, liquids, or vomit are inhaled into the lungs, leading to an infection. It is particularly common in individuals with swallowing difficulties or a weakened gag reflex.

Who is more at Risk:

Certain conditions increase the likelihood of developing pneumonia, such as:

  • Chronic diseases e.g., asthma, COPD, diabetes or living with a lung or heart condition
  • Weakened immune system due to conditions like HIV/AIDS or cancer treatments
  • Smoking or exposure to secondhand smoke
  • Age, very young children and older adults are at higher risk
  • Recent respiratory infections like the flu or cold
  • Neurological conditions like paralysis, and post-surgery conditions, make swallowing difficult resulting in aspiration pneumonia

What are the main symptoms?

The symptoms of pneumonia can vary based on the type and severity but generally include:

  • Cough:Often productive, producing green, yellow, or even bloody mucus
  • Fever:High fever High fever (up to 105 F or 40.55 C), chills, and sweating are common.
  • Shortness of breath: Difficulty breathing, especially during physical activities, bluish skin, lips or nails (cyanosis)
  • Chest pain: Sharp or stabbing pain that worsens with deep breaths or coughing.
  • Fatigue:General tiredness and weakness, confusion or altered mental state

In infants and young children, symptoms might be irritability, difficulty breathing, and a lack of interest in feeding.

How is pneumonia diagnosed?

Diagnosing pneumonia typically involves: 4 things

  • Medical history and physical examination: The healthcare provider will discuss symptoms, recent illnesses, and risk factors. They will listen to the lungs using a stethoscope to check for abnormal sounds like crackling or wheezing.
  • Imaging tests and blood tests: Chest X-rays or CT scans are used to visualise the lungs and confirm the presence of pneumonia. Blood tests help identify the type of infection and check for inflammation.
  • Sputum test: A mucus sample from the lungs is analyzed to determine the causative organism of the infection.
  • Pulse oximetry: Oxygen levels in the blood are monitored to assess the severity of the condition.

Complications of Pneumonia:

Pneumonia can lead to several serious complications, including:

  • Lung abscesses: Pockets of pus that form in the lungs.
  • Pleural effusion: Accumulation of fluid in the pleural space surrounding the lungs, which may require drainage. This fluid can also become infected.
  • Respiratory failure: Severe pneumonia can lead to a lack of oxygen in the body, requiring mechanical ventilation.
  • Sepsis: A life-threatening response to infection that can lead to organ failure.
  • Worsening of chronic conditions: Individuals with pre-existing health issues may experience exacerbated symptoms.

What are the treatment plans?

Treatment for pneumonia varies based on the cause and severity:

  • Bacterial pneumonia: Treated with antibiotics. The choice of antibiotic depends on the bacteria suspected or confirmed.
  • Viral pneumonia: Antiviral medications may be prescribed for specific viruses, such as influenza. Supportive care is often the primary treatment.
  • Fungal pneumonia: Treated with antifungal medications, particularly for those with weakened immune systems.
  • Oxygen therapy: Administered if blood oxygen levels are low.
  • Hospitalisation:Required for severe cases or those with complications.
  • Supportive care: Includes rest, hydration, and over-the-counter medications to relieve symptoms like fever and pain.

Follow the treatment plan prescribed by a doctor and complete the full course of any medications to ensure effective treatment and prevent complications.