acarophobia
noun
ac·a·ro·pho·bia
| \ ˌak-ə-rō-ˈfō-bē-ə, -ə-rə-
\
\
Medical Definition of acarophobia
1
: an abnormal dread of skin infestation with small crawling organisms
2
: a delusion that the skin is infested with small crawling organisms