my son had the similar problem last year. It was caused by cold virus, and it is not unusuall. It will recover in a couple of days. Check if your son had other cold symptems, if so, it's likely caused by cold virus.
回复:四岁的孩子昨天下午回来叫右腿疼,问过老师在学校里也没有摔过,现在走路都疼,约了
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回复:回复:四岁的孩子昨天下午回来叫右腿疼,问过老师在学校里也没有摔过,现在走路都疼,约了
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09/13/2012 postreply
16:16:02