quinidex
Quinidex (Quinidine Sulfate) is an antiarrhythmic used to treat Atrial Fibrillation, Atrial Flutter.
Quinidine Sulfate · by Wyeth Pharms Inc
Available as a generic: Quinidine Sulfate
Key facts
- Active ingredient
- Quinidine Sulfate
- Drug class
- Antiarrhythmic
- Form
- Tablet, extended release
- Strength
- Quinidine Sulfate 300MG
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- May treat
- atrial fibrillation, atrial flutter
- Manufacturer
- Wyeth Pharms Inc
- What the pharmacy pays
- ~$326.26 for 30 — not your price
- FDA application
- NDA012796
- Availability
- Discontinued (per FDA)
Drug class
- Antiarrhythmic
- Cytochrome P450 2D6 Inhibitor
How this class works, per Antiarrhythmic Medications - StatPearls - NCBI Bookshelf.
May treat (source: NIH RxClass)
See how Quinidex ranks — best-rated antiarrhythmic for:
Dosage forms
Tablet, extended release
The forms currently marketed in the U.S., per the FDA National Drug Code Directory.
Ways to save
Ask for the generic
Same active ingredient, far cheaper. Is there a generic? →
Request a 90-day supply
Bulk fills usually lower the per-dose price vs monthly refills.
Use copay cards
Manufacturer copay cards & patient-assistance programs — especially for brand drugs.
Compare alternatives
A same-class option may cost less. See alternatives →
Frequently asked questions
- What does Quinidex treat?
- Quinidex (Quinidine Sulfate) may be used to treat atrial fibrillation, atrial flutter, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.
- How does Quinidex work?
- Quinidex is a antiarrhythmic. Antiarrhythmics steady an irregular heartbeat by controlling the flow of sodium, potassium, or calcium ions through heart-cell channels (or blunting adrenaline's effect), which slows or normalizes the heart's electrical signals so it beats in a more regular rhythm.
- How much does Quinidex cost?
- Nobody can tell you what you will pay — your price is set by your insurer's formulary, your deductible and the pharmacy's markup, and none of those are published. What IS published is what the pharmacy paid to acquire it: about $326.26 for 30, per the CMS NADAC survey. Treat that as the floor, not the quote — ask the pharmacist for the cash price as well as your copay, because for cheap generics the cash price often wins. Pharmacies pay less for a same-class option, Amiodarone Hydrochloride — about $3.68 on the same basis.
- Is there a coupon or discount for Quinidex?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Quinidex. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.
- Who makes Quinidex?
- Quinidex is marketed by Wyeth Pharms Inc. You can see Wyeth Pharms Inc's full profile, rating, and other products on pharmaranks.
- Is Quinidex a brand-name or generic drug?
- Quinidex is a brand-name product with the active ingredient Quinidine Sulfate. Lower-cost generic equivalents containing Quinidine Sulfate are available — ask your pharmacist.
- Is Quinidex available over the counter?
- No. Quinidex is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.
- What forms does Quinidex come in?
- Quinidex is currently marketed as tablet, extended release, per the FDA's National Drug Code Directory.
- What class of drug is Quinidex?
- Quinidex is classified as antiarrhythmic, cytochrome p450 2d6 inhibitor, per the FDA's Established Pharmacologic Class.
- Is Quinidex FDA-registered?
- Quinidex is on record with the U.S. FDA under application number NDA012796. You can verify this on its official FDA label.
Information is sourced from public FDA regulatory data. Provided for general reference only — not medical advice. Always consult a licensed professional and the current prescribing information.
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