Blue Baby Syndrome is a condition where the baby literally looks a bit blue . It can also make a baby and his family feel very blue unless the condition is diagnosed and treated in time. It typically occurs in babies younger than 6 months but it can also occur in older babies sometimes. Read on to know more about this condition. Blue baby syndrome , or cyanosis, is a bluish skin color caused by low oxygen in the blood. It can be due to heart, lung, or blood problems, and may require surgery or medication. The most common symptom of blue baby syndrome is a blue discoloration of the skin around the mouth, hands, and feet. In severe cases, blue baby syndrome can even cause death. Treatment will vary depending on what is causing the baby to turn blue. Blue Baby Syndrome is a condition where an infant’s skin, lips, or nails appear bluish because the blood cannot carry enough oxygen. This can happen from birth (congenital) or develop later (acquired) in life.