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Structural problems with blood vessels

Haemorrhagic Telangiectasia
— blood vessels are more fragile than usual leading to recurrent bleeding episodes

Ehlers-Danlos syndrome — collagen that supports blood vessels is unusually weak and elastic, making blood vessels less protected and more prone to injury

Allergic purpura
— small blood vessels are inflamed and prone to leakage, a condition thought to be an autoimmune response and that may be acute or chronic

Last Review Date: May 1, 2018