How do you decide between initiating systemic immunotherapy versus local treatment for uveitis with associated HLA-B27 and spondyloarthropathy?

I find that most, but not all, HLA-B27 iritis can be controlled with topical therapies.

To do so requires eliminating other causes of inflammation. Many patients have GI inflammation due to gluten and dairy, despite not having classic celiac disease or lactose intolerance. Reducing their intake, mod...