<unk>  is sometimes described as being fairly common, and one estimated prevalence is about 1–2% of the general population. However, the IASP described PIFP as being rare, less common than trigeminal neuralgia (which has a prevalence of about 0.01–0.3% in the general population), and possessing no available epidemiologic data for estimated prevalence in the general population. The predominant age group is 30–50, and females are more often affected than males, with most reports stating that about 80% of people with<unk>  are female.
Atypical facial pain
Nablus mask-like facial syndrome
Necrospermia
Symmastia
Dogger Bank itch
Pellagra
Trypophobia
Focal hyperhidrosis