Definition

Noun: A serious infectious disease caused by specific bacteria (rickettsia) and transmitted to humans through the bite of an infected tick, characterized by symptoms such as high fever, severe headache, muscle pain, and a distinctive spotted rash.

Usage and Examples

• The hiker was diagnosed with Rocky Mountain spotted fever after finding an embedded tick and developing a high fever.
• Early antibiotic treatment is crucial for Rocky Mountain spotted fever to prevent severe complications.
• Despite its name, Rocky Mountain spotted fever is found in many areas of the United States beyond the Rocky Mountains.

Advanced Usage

• The term is often used in medical, epidemiological, and public health contexts when discussing tick-borne illnesses.
• It is frequently abbreviated in clinical settings as RMSF.

Variants and Related Words

• Spotted fever: A broader category of similar diseases caused by rickettsial bacteria, of which Rocky Mountain spotted fever is one type.
• Tick-borne typhus: An older or alternative name sometimes used for this group of diseases.

Synonyms

• Tick typhus
• (In specific contexts) New World spotted fever

Notes on Meaning

• The name is a proper noun referring to a specific disease entity. While "rocky," "mountain," and "spotted fever" are common words, the combined term has this single, specific medical meaning.
• It is not a description of a geographical feature ("rocky mountain") or a general state of fever.

Noun

1. caused by rickettsial bacteria and transmitted by wood ticks