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.
They may also be seen in the mouth or whites of the eyes. The may also be in other locations, such as the brain and the back of the eyes.
Telangiectasias are caused by small 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:
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Factors that increase your risk for telangiectasias are based on the underlying condition.
Symptoms may include:
You will be asked 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.
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 and location of telangiectasia, laser therapy or chemicals may be used to destroy the vessels.
American Academy of Dermatology
Family Doctor—American Academy of Family Physicians
Canadian Dermatology Association
The College of Family Physicians of Canada
Generalised essential telangiectasia. DermNet NZ website. Available at: http://dermnetnz.org/vascular/essential-telangiectasia.html. Updated May 19, 2014. Accessed June 8, 2015.
Rosacea. DermNet NZ website. Available at: http://dermnetnz.org/acne/rosacea.html. Updated May 24, 2015. Accessed June 8, 2015.
Rosacea. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated June 8, 2015. Accessed June 8, 2015.
Spider telangiectasias. Boston Children's Hospital website. Available at: http://www.childrenshospital.org/az/Site2926/mainpageS2926P1.html. Accessed June 8, 2015.
Last reviewed June 2015 by Michael Woods, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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