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Pronounced: teh-LAN-jee-ek-TAY-zhuh



Telangiectasias are small blood vessels that you can see just below the surface of the skin. They may appear as a single vessel or a cluster of vessels. Telangiectasias can also appear in the mouth, eyes, and brain.


Causes    TOP

Small blood vessels become stuck in a wide open position. This makes them more visible. It is not always clear why this happens. Some may have related conditions, such as rosacea.


Risk Factors    TOP

It is most common in women and people aged 40 years and older. There may also be an increased chance in those with a family history.


Symptoms    TOP

Symptoms are red lines under the skin that:

  • May appear in a lacy pattern
  • Can appear anywhere on the body, but are most common on the face, nose, and legs
  • Most often painless but some may have a burning sensation or bleeding

Diagnosis    TOP

You will be asked about your symptoms and health past. A physical exam will be done. A diagnosis is often made during the exam.


Treatment    TOP

Telangiectasias do not always need treatment. They rarely cause health concerns. However, some may not like how they look.

Make-up can be used to cover the red patches. The blood vessels can be destroyed with laser therapy or chemicals. These treatments are not appropriate for everyone.


Prevention    TOP

There are no steps to prevent telangiectasias.


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:
...(Click grey area to select URL)
Updated May 16, 2016. Accessed May 20, 2018.

Idiopathic telangiectasias. Merck Manual Professional Version website. Available at:
...(Click grey area to select URL)
Updated May 2014. Accessed May 20, 2018.

Spider telangiectasias in children. Boston Children's Hospital website. Available at:
...(Click grey area to select URL)
Accessed May 20, 2018.

Last reviewed May 2018 by Michael Woods, MD
Last Updated: 12/28/2018

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