Quinine Bark

Cinchona pubescens

Family: Rubiaceae Evidence: B tincturedecoction

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.

Safety Profile

PregnancyUnsafe
BreastfeedingUnsafe
PediatricNot Recommended

Contraindications

Same as Cinchona officinalis. Heart arrhythmias. G6PD deficiency.

Interactions

Heart medications, blood thinners, muscle relaxants, digoxin.

Side Effects

Cinchonism: tinnitus, headache, visual disturbances. Thrombocytopenia.

Surgery: Cardiac risk.
Allergy: Quinine allergy.
This information is for educational purposes only. It is not medical advice. Consult a qualified healthcare provider before using any herbal product.