• Definition

    Telangiectasias are small blood vessels just below the surface of the skin. The blood vessels are very visible through the skin. They may appear as a single vessel or as many vessels in clusters.
  • Causes

    Telangiectasias are caused by blood vessels that are stuck in a wide open position. There is no clear reason for why this happens in many cases.
    Some telangiectasias are due to conditions like:
    Telangiectasia may be related to rosacea.
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  • Risk Factors

    Factors that increase your risk for telangiectasias are based on the underlying condition.
  • Symptoms

    This condition usually does not cause symptoms.
    Signs of telangiectasias may include:
    • Red patches of skin that have a lacy pattern
    • Patches of red skin that turn white when pressure is applied, then red again after pressure is removed
  • Diagnosis

    Your doctor will ask about your symptoms and medical history. A physical exam will be done.
    Depending on the cause of the lesion, your doctor may take a biopsy of the area. You may be referred to a skin specialist.
  • Treatment

    Talk with your doctor about the best treatment plan for you. Often, treatment is not needed for the telangiectasias itself. Treatment depends on what is causing the telangiectasias.
    Make-up can be used to cover the red patches. Depending on the type of telangiectasia, laser therapy may be used to destroy the vessels.
  • Prevention

    There is no current guidelines to prevent telangiectasias.

    American Academy of Dermatology

    American Academy of Family Physicians Family Doctor


    Canadian Dermatology Association

    The College of Family Physicians of Canada


    Generalised essential telangiectasia. DermNet NZ website. Available at: . Updated July 1, 2011. Accessed June 11, 2013.

    Rosacea. DermNet NZ website. Available at: . Updated June 8, 2013. Accessed June 11, 2013.

    Rosacea. EBSCO DynaMed website. Available at: . Updated August 22, 2011. Accessed June 11, 2013.

    Spider telangiectasias. Boston Children's Hospital website. Available at: . Accessed February 21, 2013.

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