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→Erythema Nodosum
=Erythema Nodosum=
=Erythema Nodosum=
*H&P: F>M. Causes remembered with mnemonic NoDOSUM—None, Drugs, OCPs, Sarcoidosis, Ulcerative colitis, Micro (strep, cocci, TB), most frequently presents on the shins as tender red/violet poorly demarcated nodules without ulceration. May have preceding fever, malaise, myalgias
*H&P: F>M. Causes remembered with mnemonic NoDOSUM—None, Drugs, OCPs, Sarcoidosis, Ulcerative colitis, Micro (strep, cocci, TB). Most frequently presents on the shins as tender red/violet poorly demarcated nodules without ulceration. May have preceding fever, malaise, myalgias
*Dx: Clinical. Ddx includes cellulitis, trauma, thrombophlebitis
*Dx: Clinical. Ddx includes cellulitis, trauma, thrombophlebitis
*Tx: NSAIDs; potassium iodide or systemic corticosteroids for severe cases
*Tx: NSAIDs; potassium iodide or systemic corticosteroids for severe cases