Stenophobia
Stenophobia - Fear of narrow things or places.
Stenophobia may be a serious phobia, but it is treatable. The fear of narrow things or places can often be treated with psychotherapy, hypnotherapy or by trying to find the underlying cause.
Often is the case with Stenophobia is that that there was some sort of traumatic event in the patient's life that caused this fear of narrow things or places, with a little therapy or by hitting the fear head on, this can often be cured.
Stenophobia has been know to ruin people's lives. Living with the fear of narrow things or places is often very difficult, but with time, it can be possible.