What is your treatment algorithm for patients with lichen planus?

There are many potential approaches depending on the severity, subtype, comorbidities, and impact on QOL. For "classic" LP (no symptomatic or significant oral involvement)"

Typically itch is the primary complaint although the appearance can be understandably upsetting to some patients.

Depending on ...

For cost and safety profile, I have been starting a couple of months of metronidazole concurrently with hydroxychloroquine. I have seen metronidazole (on a couple of occasions) turn off oral LP, but will skip this step if they are hesitant to avoid EtOH. If not significantly improved in 3 months, wi...