How do you approach treating patients with erythema nodosum recalcitrant to NSAIDs?

Work up for the cause of ENodosum to determine if there is a trigger:

TB, sarcoidosis, cocci/crypto/histo/blasto, Hodgkin's. ASO, dental abscess, Crohn's, ulcerative colitis, OCPs to name a few. SPEP possibly and or quant IGA with free light chains, just to name a few.

Assuming all this is, you can d...