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A pathological condition resulting from an overdose of cinchona bark or its alkaloid derivatives and marked by headache, dizziness, hearing loss, and ringing in the ears.
(Pathology) a condition resulting from an excessive dose of cinchona bark or its alkaloids, characterized chiefly by headache, ringing in the ears, and vomiting
a toxic condition owing to excessive use of cinchona and marked by headache, dizziness, and ringing in the ears. Also called quininism, quinism.See also: Drugs