Causes and Treatment of Severe Foot Pain in Children

A four-year-old child suddenly experienced severe foot pain last night, crying uncontrollably. However, by the time they arrived at the county hospital, the pain had subsided, and the child was bouncing around as if nothing had happened. The on-duty doctor advised home observation for a few days. Last year, there was a similar incident where the child walked with a slight limp, and after taking calcium tablets, the condition improved. This time, the sudden onset of pain without warning has led to the question of whether it is still due to calcium deficiency, and how to address it.
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