Quininedrug info
quinine sulfate 324 MG Oral Capsule
What it is used for
Quinine sulfate capsule USP is a cinchona alkaloid indicated for treatment of uncomplicated Plasmodium falciparum malaria. Quinine sulfate capsule USP is an antimalarial drug indicated only for treatment of uncomplicated Plasmodium falciparum malaria. Quinine sulfate has been shown to be effective in geographical regions where resistance to chloroquine has been documented. Quinine sulfate capsules USP are not approved for: Treatment of severe or complicated P. falciparum malaria. Prevention of malaria. Treatment or prevention of nocturnal leg cramps.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective October 31, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Quinine sulfate is a cinchona alkaloid chemically described as cinchonan-9-ol, 6'-methoxy-, (8α, 9R)-, sulfate (2:1) (salt), dihydrate with a molecular formula of (C 20 H 24 N 2 O 2 ) 2
H 2 SO 4
2H 2 O and a molecular weight of 782.94. The structural formula of quinine sulfate is: Quinine sulfate occurs as a white, crystalline powder that darkens on exposure to light. It is odorless and has a persistent very bitter taste. It is only slightly soluble in water, alcohol, chloroform, and ether. Quinine sulfate capsules USP are supplied for oral administration as capsules containing 324 mg of the active ingredient quinine sulfate USP, equivalent to 269 mg free base. Inactive ingredients: black iron oxide, corn starch, gelatin, magnesium stearate, potassium hydroxide, propylene glycol shellac, sodium lauryl sulfate, and talc. 1
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective October 31, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
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