This is a very difficult phobia which can really interfere with a child's life.

An anxiety disorder in which the child can talk easily at home but does not in other situations.

There are some situations where OCD and other symptoms can be the result of an infection. 

A discussion of OCD

Slowing down your breathing can really help with anxiety

Anxiety has traditionally been thought of in terms of a fight or flight response involving the sympathetic nervous system. But there is increasing appreciation of a freeze or immobility response-and we can see this operating in our anxious children

Just because a teacher does not see your child as anxious, does not mean your child doesn't have worrie. In this podcast, I talk about how children do not always show their anxious selves in all situations. 

Children can come up with their own solutions to their worries, but you have to be looking in order to see it.