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-h ...

, 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, ...

, 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 herpes zoster or zona, 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. T ...

, a painful viral disease, also called herpes zoster

See also