Can someone please tell me if a group of children(15 teenagers) can come down with a "psychogenic stridor" within a 4 week period? These children did not socialize outside of school. Some of the children did not even know each other! There was a chemical exposure in the summer and they immediately started with infections, etc. They all started with the "stridor" several weeks later. These children were very sick and went through extensive treatments. They are on the "road to recovery" now, but the parents still have concerns. Can someone please give us some input!