The Critical Distinction
["\nUveitis management pivots on one question: is inflammation driven by infection or by the immune system? Non-infectious (autoimmune) uveitis responds to steroids and immunosuppression; infectious uveitis needs the organism treated first — because steroids alone can let an infection rage. History, examination patterns, targeted laboratory testing and sometimes eye-fluid analysis separate the two.
\nCommon infectious patterns include herpes-group viruses, toxoplasmosis and tuberculosis (frequency varies by region and exposure). Non-infectious patterns associate with named systemic diseases or occur as isolated ocular inflammation. Treatment is therefore never 'a steroid drop and see' — it is a reasoned, test-guided plan, reviewed as evidence accumulates. This careful sequencing is the core safety practice of structured uveitis care.
\n"]Common questions
How do doctors tell infectious from autoimmune?
Pattern recognition on examination plus targeted tests; when doubt remains, treatment choices err on the side of covering infection first.
Can both exist together?
Yes — immune recovery and mixed patterns occur, which is why uveitis care is iterative rather than one-shot.
Do I need a chest X-ray or blood tests?
When TB, sarcoidosis or systemic associations are plausible, yes — each probe follows clinical logic.
Is uveitis from TB contagious?
The eye inflammation is not contagious; TB itself is a separate public-health question your physicians handle.
Why not just try steroids and see?
Because if the cause is infectious, 'seeing' can mean irreversible damage during the trial. Sequence matters.