“… 1 Primarily healthy infants, both male and female, seem to develop this condition within the first few weeks of life and experience diminishing frequency of these episodes over time, contrary to a focal and persistent CSMH. 1 , 5 , 6 , 7 Infantile transient smooth muscle contraction of the skin has been noted in several reports to favor the lower extremities, for reasons unknown. 1 , 7 The episodes usually last seconds to minutes with normal-appearing skin between episodes.…”