
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 →
Key facts
- Active ingredient
- Glyburide
- Drug class
- Sulfonylurea
- Form
- Tablet
- Strength
- Glyburide 1.25MG **Federal Register Determination That Product was not Discontinued or Withdrawn for Safety or Effectiveness reasons** · Glyburide 2.5MG · Glyburide 5MG **Federal Register Determination That Product was not Discontinued or Withdrawn for Safety or Effectiveness reasons**
- Type
- Prescription (Rx)
- Brand or generic
- Brand-name
- May treat
- type 2 diabetes mellitus
- Manufacturer
- Pfizer
- Half-life
- about 10 hours (terminal/elimination half-life) (how long it stays in your system)
- What the pharmacy pays
- ~$1.97 for 30 — not your price
- FDA application
- NDA017498
- Availability
- Discontinued (per FDA)
How long does Glyburide stay in your body?
The elimination half-life of glyburide is about 10 hours (terminal/elimination half-life) — 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. The label says the fall in glyburide serum levels in healthy people is biphasic — this 10 hours is the terminal (elimination) phase, not the earlier distribution phase. Glyburide is not a prodrug. It has two metabolites (the 4-trans-hydroxy and 3-cis-hydroxy derivatives), but the label states they are only weakly active (about 1/400th and 1/40th as active as glyburide in rabbits) and "probably contribute no significant hypoglycemic action in humans," so there is no active metabolite that outlasts the parent in a clinically meaningful way. The label gives no separate half-life numbers for older adults, kidney impairment, or liver impairment — it does warn that impaired kidney or liver function can raise glyburide levels and that liver impairment reduces gluconeogenesis, both raising hypoglycemia risk, and that older adults are prone to kidney insufficiency and are particularly susceptible to hypoglycemia. Glyburide is unusual among sulfonylureas in being cleared by two routes, roughly 50% in bile and 50% in urine, as metabolites. This is a pharmacokinetic figure, not a drug-test detection window and not dosing guidance.
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: Glyburide tablets, USP — FDA label (DailyMed), CLINICAL PHARMACOLOGY / Pharmacokinetics.
Drug class
May treat (source: NIH RxClass)
See how Micronase ranks — best-rated sulfonylurea for:
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
- What does Micronase treat?
- Micronase (Glyburide) may be used to treat type 2 diabetes mellitus, 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 is Micronase rated?
- pharmaranks gives Micronase a composite score of 3.2 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 Micronase 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 $1.97 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, Glimepiride — about $1.00 on the same basis.
- Is there a coupon or discount for Micronase?
- pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Micronase. 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 Micronase?
- Micronase is marketed by Pfizer. You can see Pfizer's full profile, rating, and other products on pharmaranks.
- Is Micronase a brand-name or generic drug?
- Micronase is a brand-name product with the active ingredient Glyburide. Lower-cost generic equivalents containing Glyburide are available — ask your pharmacist.
- Is Micronase available over the counter?
- No. Micronase 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 Micronase come in?
- Micronase is currently marketed as tablet, per the FDA's National Drug Code Directory.
- What class of drug is Micronase?
- Micronase is classified as sulfonylurea, per the FDA's Established Pharmacologic Class.
- Is Micronase FDA-registered?
- Micronase is on record with the U.S. FDA under application number NDA017498. You can verify this on its official FDA label.
- Has Micronase been recalled by the FDA?
- Micronase 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 Micronase safe?
- There's no single safe-or-not verdict. pharmaranks gives Micronase a recall-safety score of 64/100, 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.
Reviews
No reviews yet. Be the first to write one.
People also viewed
Compare Micronase head-to-head
Browse medications A–Z
Research products from A to Z, compare independent ratings, and find alternatives.
micronase
64/100