black tongue
Học thuậtThân thiện
A doctor shows a patient an illustration of black tongue in a medical textbook.
Definition
Noun: 1. A benign side effect of some antibiotics; dark overgrowth of the papillae of the tongue: A temporary, harmless condition characterized by a dark, furry, or discolored appearance on the top surface of the tongue. It is often associated with certain medications, poor oral hygiene, smoking, or other factors.
Usage Examples
- Noun:
- The patient developed black tongue after a prolonged course of the antibiotic.
- While alarming in appearance, black tongue is typically a harmless condition.
- Good oral hygiene can help prevent or resolve cases of black tongue.
Advanced Usage
- Medical Context: The term is used almost exclusively in medical and healthcare settings to describe this specific clinical sign. It is often linked to the use of antibiotics like tetracyclines or bismuth subsalicylate.
- As a Symptom: While benign, its presence can be noted as a symptom or side effect in a patient's medical history.
Variants and Related Words
- Black hairy tongue: This is a synonymous term often used interchangeably with "black tongue" in medical literature. It emphasizes the hairy or furry appearance caused by the elongated papillae.
- Lingua villosa nigra: This is the formal Latin-based medical term for the condition.
Synonyms
- Black hairy tongue (n): The most common direct synonym.
- Lingua villosa nigra (n): The technical medical term.
Notes on Meaning
- The condition is not always literally "black"; the discoloration can also appear brown, yellow, or green.
- It is crucial to distinguish this benign condition from other more serious causes of tongue discoloration. The term specifically refers to the overgrowth and staining of the filiform papillae.
A doctor shows a patient an illustration of black tongue in a medical textbook.
Noun
- a benign side effect of some antibiotics; dark overgrowth of the papillae of the tongue