A four-month-old baby has developed two darker skin areas on the forehead, inquiring whether they are birthmarks and if they will disappear on their own.

Newborn dry skin and cracks may be related to chromosomes and have a family history of inheritance. It is recommended to undergo a detailed examination and follow medical instructions for treatment.

A 20-day-old baby has developed a large patch of red spots around the buttocks, with a few on the arms, face, and neck. Each red spot is about 2-3 millimeters in diameter and has a small white dot on top. Inquiry about possible causes and treatment methods, as well as whether the ingestion of cefamet capsule three days ago could be an allergic cause, and how to treat it and expect recovery time.

This article mainly introduces the common blood vessel patterns in newborns and their distribution.