The best therapy for you depends on the type: Primary livedo reticularis: Gradually warm the affected area by taking a shower or bath. Secondary livedo reticularis: Symptoms should improve by treating the underlying condition. For example, a vascular condition may require anticoagulants. Congenital livedo reticularis: This condition goes away on its own but may take time. Erythema ab igne: Moving away from the heat source is typically all that’s necessary. For lingering symptoms, you may need medicated cream, such as fluorouracil. Idiopathic livedo reticularis: Elevating the affected limb or wearing compression garments can improve blood flow.