It's claustrophobia.
It doesn't mean being afraid of Santa Claus.
(OK, I didn't say my jokes are very good.)
Claustrophobia is the fear of enclosed places and suffocation.
claustrophobia- the fear of being in an enclosed space.
claustrophobia
claustrophobia, the fear of small and cramped place
Fear of small or enclosed places is claustrophobia.
Fear of the dark n enclosed places
Claustrophobia is the fear of small spaces because it is a combination of the Latin word claustrum (meaning enclosed space) and phobos (the Greek word for fear.)
We use the term claustrophobia for the fear of confined spaces. A link can be found below.
There is no specific word, but the fear of darkness is achluophobia, and the fear of being in enclosed places is claustrophobia.
There is no recognized term meaning fear of small people, dwarfs, or midgets. However, two have been proposed:-- achondroplasiphobia - referencing the genetic disparity of bodily proportions-- nanosophobia - from the Greek word for dwarf, nanos/nannos
Possibly claustrophobia (fear of enclosed spaces)
It's not a sickness it's a fear. Rather a fear to being in enclosed spaces sometimes dark enclosed spaces. It's called claustrophobia.