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prevacid naprapac 500 (copackaged)

Prevacid Naprapac 500 (Copackaged) is a combination medicine containing Lansoprazole and Naproxen.

Lansoprazole and Naproxen · by Takeda Pharms Na

Not yet rated· sourced from the FDA label
Rated against independent regulatory sources·Last updated June 7, 2026·How we rate
Verified againstopenFDANIH DailyMedRxClass

Key facts

Active ingredient
Lansoprazole and Naproxen
Form
Capsule, Oral pellets, Tablet
Strength
Lansoprazole 15MG
Type
Prescription (Rx)
Brand or generic
Brand-name
Manufacturer
Takeda Pharms Na
Half-life
about 1.5 hours (mean, ±1.0) in healthy adults — the label states the plasma elimination half-life is less than two hours (how long it stays in your system)
What the pharmacy pays
~$5.20 for 30 — not your price
FDA application
NDA021507
Availability
Discontinued (per FDA)

How long does Lansoprazole and Naproxen stay in your body?

The elimination half-life of lansoprazole and naproxen is about 1.5 hours (mean, ±1.0) in healthy adults — the label states the plasma elimination half-life is less than two hours — the time it takes the body to clear about half of it. As a rule of thumb, a medicine is mostly gone after roughly 4 to 5 half-lives, though this varies from person to person with age and kidney or liver function. This is the terminal plasma elimination half-life; the label reports a single half-life, not separate distribution/elimination phases. Important: the short half-life does NOT reflect duration of effect — lansoprazole is a proton-pump inhibitor whose acid-suppressing effect lasts more than 24 hours even though the drug clears from plasma in under 2 hours, so the label explicitly warns the half-life does not reflect its duration of acid suppression. No long-lasting active metabolite: the two identified plasma metabolites (hydroxylated sulfinyl and sulfone) have very little or no antisecretory activity, and the active species that block the proton pump are not present in the systemic circulation. Population changes per the label: in older adults clearance falls and the elimination half-life rises roughly 50%–100% (mean 1.9–2.9 hours); in hepatic impairment it is prolonged from 1.5 hours to about 4 hours (Child-Pugh A) or 5 hours (Child-Pugh B), with much larger AUC increases in cirrhosis; in renal impairment the elimination half-life is SHORTENED (not lengthened) and no dosage change is needed.

This is general information, not medical advice. It doesn’t tell you when a drug test would read negative (tests detect substances for different, often longer, windows) or when it’s safe to take another dose — ask your pharmacist or prescriber. Source: Lansoprazole delayed-release capsules — DailyMed label, §12.3 Pharmacokinetics.

Dosage forms

Capsule, Oral pellets and Tablet

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

How much does Prevacid Naprapac 500 (Copackaged) 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 $5.20 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.
Is there a coupon or discount for Prevacid Naprapac 500 (Copackaged)?
pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Prevacid Naprapac 500 (Copackaged). 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 Prevacid Naprapac 500 (Copackaged)?
Prevacid Naprapac 500 (Copackaged) is marketed by Takeda Pharms Na. You can see Takeda Pharms Na's full profile, rating, and other products on pharmaranks.
Is Prevacid Naprapac 500 (Copackaged) a brand-name or generic drug?
Prevacid Naprapac 500 (Copackaged) is a brand-name product with the active ingredient Lansoprazole and Naproxen.
Is Prevacid Naprapac 500 (Copackaged) available over the counter?
No. Prevacid Naprapac 500 (Copackaged) 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 Prevacid Naprapac 500 (Copackaged) come in?
Prevacid Naprapac 500 (Copackaged) is currently marketed as capsule, oral pellets and tablet, per the FDA's National Drug Code Directory.
Is Prevacid Naprapac 500 (Copackaged) FDA-registered?
Prevacid Naprapac 500 (Copackaged) is on record with the U.S. FDA under application number NDA021507. 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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