A birthmark, also called a nevus, is a skin mark that is present at birth. They may occur due to blood vessel formations (angiomas, strawberry marks, port wine stains), or due to pigmentation variations. Some birthmarks fade over time, but others may remain. Birthmarks needs to be distinguished from other ...

... More on Birthmark »

Introduction: Birthmark

Birthmarks are abnormalities of the skin that are present when a baby is born. There are two types of birthmarks. Vascular birthmarks are made up of blood vessels that haven't formed correctly. They are usually red. Two types of vascular birthmarks ...1

... More on Birthmark »

Complications of Birthmark

Complications: Most birthmarks are harmless. But in rare cases, complications can occur that need to be treated. ...Source: NHS Choices UK2 ...

... More on Complications of Birthmark »

Causes of Birthmark

What causes birthmarks? It's not fully understood why birthmarks occur, but they're not usually inherited. Vascular birthmarks are caused by abnormal blood vessels in or under the skin, and pigmented birthmarks are caused by clusters of pigment cells. Port wine stains ...3

... More Causes of Birthmark »

Causes List for Birthmark

Some possible causes of Birthmark or similar disorders may include:4

... Full Causes List for Birthmark »

Types of Birthmark

The two main types of birthmark are:

  • vascular birthmarks (often red, purple or pink) caused by abnormal blood vessels in or under the skin
  • pigmented birthmarks (usually brown) caused by clusters of pigment cells

Vascular birthmarks often occur in the ...5

... More Types of Birthmark »

Treatments: Birthmark

Treating birthmarks Most birthmarks are harmless and don't need to be treated. Some types of birthmarks will fade over time, whereas other types such as port wine stains will be permanent if they're not treated. In some cases, a ...6

... More Treatment Information for Birthmark »

   •   •   •


  1. Source: MedLinePlus (NIH): birthmarks.html
  2. Source: NHS Choices UK: conditions/ birthmarks/ complications/ 
  3. Source: NHS Choices UK: conditions/ Birthmarks/ 
  4. Source: Algorithmically Generated List
  5. Source: NHS Choices UK: conditions/ Birthmarks/ 
  6. ibid.

   •   •   •

Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.