Final answer:
An infantile haemangioma is a common birthmark that appears as a red or purple raised area on the skin. It is caused by abnormal growth of blood vessels and usually goes away on its own. Treatment options include medication, laser therapy, or surgical removal.
Step-by-step explanation:
An infantile haemangioma is a type of birthmark that appears as a bright red or purple raised area on the skin. It is the most common type of vascular tumor in infants and usually occurs within the first few weeks or months after birth. These birthmarks are caused by an abnormal growth of blood vessels and typically go away on their own over time. Treatment options include medication, laser therapy, or surgical removal, depending on the size and location of the haemangioma.