This section is from the book "Hygiene Of The Nursery", by Louis Starr. Also available from Amazon: Hygiene of the nursery.
The cord generally separates from the navel between the fifth and fifteenth day after delivery, and the parts should then heal without trouble. Occasionally, after the falling of the cord, a small growth, about as large as a pea, appears on the navel, giving rise to a discharge of thin liquid. This may be relieved by applying a little powdered alum and afterward dressing with vaseline or oxide of zinc ointment.
Again, though rarely, excoriation of the navel and surrounding skin takes place, and rapidly spreads, assuming an inflammatory character. The attention of the physician must be called to this Apply a warm-water dressing should his visit be delayed.
 
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