Q I'm a parent in Dong-gu, Incheon, and I'm worried my older child's impetigo will spread to the younger one. In what situations does it spread most easily?
A Direct skin contact and sharing towels, bedding, or clothing are the highest risks. Scratch wounds and mosquito bites are also routes through which bacteria easily enter. Self-infection can also occur if you touch the affected area and then touch elsewhere.
Detailed Answer
Impetigo is highly contagious. Direct skin contact with the lesion is the most common route of transmission, and bacteria can also spread when sharing items such as towels, bedding, clothing, or toys. If you scratch or touch the affected area and then touch another area of skin or a family member, further spread occurs, and areas with a weakened skin barrier — mosquito bites, eczema patches, and wounds — become easy entry points for bacteria. It tends to spread more readily in hot, humid summer conditions.
Korean Medicine Clinic Perspective
At Dongjedang, along with hygiene management to prevent transmission, we also consider it important to strengthen the younger child's skin immunity in advance. We believe a child with robust spleen-stomach function and abundant vital qi (jeong-gi) has higher resistance to infection even in the same environment, so for a sibling with weaker immunity we may recommend preventive Korean medicine care.
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