PEPD is an<unk> ly rare<unk>  with only 15 known affected families. There are some cases, however, of individuals originally diagnosed with epilepsy who are later determined to have PEPD. This suggests that rates of PEPD may be higher than currently believed.
Paroxysmal extreme pain disorder
Nociplastic pain
Functional somatic syndrome
Psychogenic pain
Mass psychogenic illness
Syndrome of subjective doubles
Cephalalgiaphobia
Postorgasmic illness syndrome