Heather M Lake, Elaine P Alexander, Zhanna Mikulik and Kevin V Hackshaw
This is a case report of a patient with resistant erythema nodosum. Despite multiple traditional treatments, the patient did not improve until the use of potassium iodide, an under used treatment for EN. Also included is a review of EN including clinical features, histology, and treatment. Potassium iodide as a treatment for treatment resistant EN is discussed in detail including possible mechanism of action, dosage, adverse effects, and contraindications.
