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Idiopathic livedo reticularis

Definition

Idiopathic or primary livedo reticularis refers to a netlike pattern of reddish-blue skin discoloration, usually on the legs. The condition is linked to swollen blood vessels. It may get worse when the temperature is cold.

Idiopathic means the cause is unknown.

Alternative Names

Livedo reticularis; Primary livedo reticularis

Causes, incidence, and risk factors

Symptoms

Signs and tests

Support Groups

Expectations (prognosis)

Complications

Calling your health care provider

Prevention

Encyclopedia content is provided as information only and not intended to replace the advice and instruction from your personal physician.