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talwin nx

Pharmaranks rates Talwin Nx 3.5/5 for recall safety — an independent score from its FDA recall history and its manufacturer's record. Talwin Nx is a combination medicine containing Naloxone Hydrochloride and Pentazocine Hydrochloride.

Naloxone Hydrochloride and Pentazocine Hydrochloride · by Sanofi Aventis US

70/100Limited · 1 source

Based on 1 source · Recall-safety score from FDA recall history — this product's own recalls and its manufacturer's record. Not an efficacy or quality rating. methodology →

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate
Verified againstopenFDANIH DailyMedRxClass

Key facts

Active ingredient
Naloxone Hydrochloride and Pentazocine Hydrochloride
Form
Tablet
Strength
Naloxone Hydrochloride EQ 0.5MG Base; Pentazocine Hydrochloride EQ 50MG Base **Federal Register Determination That Product was not Discontinued or Withdrawn for Safety or Effectiveness reasons**
Type
Prescription (Rx)
Brand or generic
Brand-name
Manufacturer
Sanofi Aventis US
Half-life
30 to 81 minutes (mean 64 ± 12 minutes) (how long it stays in your system)
What the pharmacy pays
~$4.38 per ml — not your price
FDA application
NDA018733
Availability
Discontinued (per FDA)

How long does Naloxone Hydrochloride and Pentazocine Hydrochloride stay in your body?

The elimination half-life of naloxone hydrochloride and pentazocine hydrochloride is 30 to 81 minutes (mean 64 ± 12 minutes) — 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 serum elimination half-life in adults with normal organ function; naloxone is metabolized in the liver by glucuronide conjugation (major metabolite naloxone-3-glucuronide, which is inactive) and excreted in urine. The half-life is much longer in neonates (mean 3.1 ± 0.5 hours). Because naloxone's half-life is short — often shorter than that of the opioids it reverses — its effects can wear off before the opioid does, so repeat dosing may be needed. Half-life is a pharmacokinetic elimination measure, not a drug-test detection window.

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: NALOXONE HYDROCHLORIDE injection — DailyMed FDA label.

Dosage forms

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 is Talwin Nx rated?
pharmaranks gives Talwin Nx a composite score of 3.5 out of 5, currently based on 1 weighted source (FDA regulatory recall-safety data weighted highest). See our methodology at /how-we-rate.
How much does Talwin Nx 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 $4.38 per ml, 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 Talwin Nx?
pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Talwin Nx. 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 Talwin Nx?
Talwin Nx is marketed by Sanofi Aventis US. You can see Sanofi Aventis US's full profile, rating, and other products on pharmaranks.
Is Talwin Nx a brand-name or generic drug?
Talwin Nx is a brand-name product with the active ingredient Naloxone Hydrochloride and Pentazocine Hydrochloride.
Is Talwin Nx available over the counter?
No. Talwin Nx 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 Talwin Nx come in?
Talwin Nx is currently marketed as tablet, per the FDA's National Drug Code Directory.
Is Talwin Nx FDA-registered?
Talwin Nx is on record with the U.S. FDA under application number NDA018733. You can verify this on its official FDA label.
Has Talwin Nx been recalled by the FDA?
Talwin Nx has no FDA recalls recorded under its own application in the openFDA enforcement database. Its recall-safety score reflects its manufacturer's overall recall record. This is general reference, not medical advice — check the FDA recall database for the latest alerts.
Is Talwin Nx safe?
There's no single safe-or-not verdict. pharmaranks gives Talwin Nx a recall-safety score of 70/100, based on its FDA recall history (no recalls under its own FDA application) — not an efficacy or side-effect rating. Review its FDA-label side effects and warnings before use, and always consult a licensed professional.

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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talwin nx

70/100