My son has had episodes of erythema nodosum, which I understand are from an overactive immune system. Are there ways to prevent this type of reaction?
Erythema nodosum is an inflammatory disorder that is characterized by tender, red nodules under the skin. The exact cause of erythema nodosum is unknown. It is often associated with sensitivity to a drug or some other condition. The underlying infection, drug, or disease should be identified and treated. Nonsteroidal anti-inflammatory medications (NSAIDs) may reduce symptoms. An oral potassium iodide (SSKI) solution may produce prompt resolution of the nodules. Erythema nodosum is uncomfortable, but it is usually not dangerous. Symptoms typically disappear within about six weeks but may recur.
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