Cinchona pubescens
Alternative cinchona species with higher quinine content than C. officinalis. Historical antimalarial. Tonic water originated as a way to make bitter quinine palatable (with gin). Modern tonic water has negligible quinine.
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Heart medications, blood thinners, muscle relaxants, digoxin.
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Cardiac risk.
Cinchonism: tinnitus, headache, visual disturbances. Thrombocytopenia.
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