St. Anthony's fire (also known historically as ''Ignis Sacer'' and Holy Fire) may refer to: *

Ergotism Ergotism (pron. ) is the effect of long-term ergot poisoning, traditionally due to the ingestion of the alkaloids produced by the ''Claviceps purpurea'' fungus—from the Latin "club" or clavus "nail" and for "head", i.e. the purple club-head ...

, the effect of long-term ergot poisoning, traditionally due to the ingestion of alkaloids *

Erysipelas Erysipelas () is a relatively common bacterial infection of the superficial layer of the skin ( upper dermis), extending to the superficial lymphatic vessels within the skin, characterized by a raised, well-defined, tender, bright red rash, t ...

, an acute infection, typically with a skin rash * ''St Anthony's Fire'' (novel), a 1994 ''Doctor Who'' novel by Mark Gatiss *

Shingles Shingles, also known as zoster or herpes zoster, is a viral disease characterized by a painful skin rash with blisters in a localized area. Typically the rash occurs in a single, wide mark either on the left or right side of the body or face. ...

, a painful viral disease, also called herpes zoster

See also