noun
- a toxic condition caused by excessive use or overdose of cinchona alkaloids (such as quinine), characterized by symptoms including tinnitus, hearing loss, dizziness, and gastrointestinal disturbances
Usage: medical term; also called quininism
Examples
- The patient developed cinchonism after prolonged treatment with high doses of quinine.
- Symptoms of cinchonism include ringing in the ears and temporary vision problems.
- Doctors must monitor patients carefully to prevent cinchonism when prescribing cinchona-based medications.
- Cinchonism was more commonly observed when quinine was widely used as an antimalarial drug.
- The onset of cinchonism typically occurs with cumulative exposure to cinchona alkaloids.