Qualaquin (quinine sulfate) is not indicated for the prevention or treatment of nocturnal leg cramps.

Contra-indicated in patients with prolongation of QT interval, G6PD deficiency, myasthenia gravis, or optic neuritis.

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Page last updated 07/31/2023

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Incidence

<1% 1‑5% 5‑10% 10‑15% 15‑20% 20‑30% >30%

Seriousness

Hospitalization possible
Life threatening
Fatal

Warnings in other populations

BreastfeedingBreast feeding

GeriatricGeriatric

PediatricPediatric