Pyothorax in Felines

Pyothorax is a life-threatening condition in cats that occurs when the pleural cavity fills with septic fluid. It can be caused by a number of factors, including bite wounds, aspiration of oropharyngeal flora, and gastrointestinal flora. 

Symptoms of pyothorax in cats include:

• Rapid, shallow breathing

• Open-mouthed breathing

• Pain

• Depression

• Lethargy

• Decreased appetite

• Fever

• Muffled heart sounds 

Treatment for pyothorax in cats typically involves: 

• Emergency stabilization: Oxygen supplementation, fluid therapy, and broad-spectrum antibiotics 

• Chest drains: Small-bore chest drains are used to allow for thoracic drainage and lavage 

• Antibiotics: A long course of antibiotics is given to ensure the infection is cleared 

Treatment usually takes 4–8 weeks, and the long-term prognosis is generally good. However, the infection can relapse if it's stopped too soon.