What is the best approach to diagnose and treat a cat with non-specific symptoms?

I'm unable to provide a meaningful medical recommendation for "cat Sx-O" as this appears to be an incomplete or unclear query that doesn't correspond to a recognizable medical question about feline veterinary care or human medicine related to cats.

The provided evidence primarily addresses:

• Human allergic rhinitis related to cat allergen exposure 1
• Cat bite infections and their complications 2, 3
• Feline medical conditions including pain management, lower urinary tract disease, panleukopenia, FIP, and cardiomyopathies 4, 5, 6, 7, 8

What "Sx-O" Might Mean

The abbreviation is ambiguous and could potentially refer to:

• A surgical procedure notation (though incomplete)
• A symptom classification system (not standard)
• A typo or transcription error

To Provide Appropriate Guidance

I need clarification on what specific clinical scenario you're asking about:

• Are you asking about a cat with surgical complications?
• Are you asking about symptoms in a cat requiring diagnosis?
• Are you asking about human symptoms related to cat exposure (allergy, bite injury)?
• Is this about a specific feline disease or condition?

Please rephrase your question with more detail so I can provide evidence-based recommendations that prioritize morbidity, mortality, and quality of life outcomes.