pathognomonic
/pəˌθɑɡnəˈmɑnɪk/
adjective
- Describing a sign or symptom that is so characteristic of a disease that it can be used to make a definite diagnosis.
- A specific rash can be pathognomonic for certain allergic reactions.
- No single symptom is pathognomonic for the flu, so doctors rely on a combination of signs.
- The presence of Koplik spots is considered pathognomonic for measles.
Antonyms