The Silent Skin Sign You Should Never Ignore: What That Net-Like Rash Could Really Mean

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The most benign reason. When exposed to cold, the small vessels near the skin’s surface constrict or spasm, causing the discoloration. It’s temporary and harmless.

2. Vascular Conditions

Any issue affecting the small blood vessels (also called capillaries or arterioles) can result in Livedo Reticularis. That includes conditions like:

  • Peripheral artery disease
  • Vasculitis (inflammation of blood vessels)
  • Cholesterol embolization syndrome (small blockages caused by cholesterol particles)

3. Autoimmune Disorders

These are diseases where the immune system mistakenly attacks the body’s own tissues. Several of them have been linked to Livedo Reticularis:

  • Lupus (SLE)
  • Rheumatoid arthritis
  • Antiphospholipid syndrome

These conditions often come with other signs—like fatigue, joint pain, or inflammation—so if the skin pattern is accompanied by those, it’s worth mentioning to your healthcare provider.

4. Blood Clotting Disorders

 

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