Trypophobia

Trypophobia is a fear of an irregular pattern of holes or bumps.

Some people feel the holes are "disgusting and gross." Others feel nauseated and itchy, have panic attacks, sweat or feel their heart pound. It may be that some brain responses associate the holes with danger.

References

1. ↑ "Phobia about Holes". Washington Post. Retrieved Jan 2, 2016.
2. ↑ "Improbable Horror of Clusters". Statesman Journal. Retrieved Jan 2, 2016.{{cite web}}: CS1 maint: deprecated archival service (link)

This short article about medicine can be made longer. You can help Wikipedia by adding to it.