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Active ingredient

Quinidine

5 finished FDA listings contain Quinidine as their only active ingredient; 6 combination products also contain it.

FDA NDC Directory

Ingredient names as written by FDA
QUINIDINE GLUCONATE, QUINIDINE SULFATE
Dosage forms
Tablet, Tablet, Extended Release
Routes
Oral
Manufacturers / labelers
4
Strengths listed
200 mg/1 · 300 mg/1 · 324 mg/1
Brand names in FDA listings
Quinidine Gluconate, Quinidine Sulfate

RxNorm (National Library of Medicine)

Ingredient concept RxCUI 9068

Drugs@FDA applications

Linked only where the FDA listing’s application number matches Drugs@FDA exactly. A listing in the NDC Directory does not by itself mean FDA approval.

ApplicationSponsorOriginal approvalListings
ANDA 088072EPIC PHARMA LLC1983-09-262
ANDA 089338SUN PHARM INDUSTRIES1987-02-112
ANDA 212589ADAPTIS2021-09-171

Official labeling on DailyMed

Sources: FDA NDC Directory (2026-09-29), RxNorm, Drugs@FDA, DailyMed. Each source’s facts are shown separately as published.