levofloxacin

Storing Levofloxacin, and how long it keeps

Quoted from this product’s own FDA label. Storage belongs to the product and its device, not to the drug in general — a pen and a tablet of the same medicine are kept completely differently.

• “Lactation: Advise a lactating woman that she may pump and discard during treatment with levofloxacin and for an additional 2 days after the last dose.”
• “Lactation: Advise a lactating woman that she may pump and discard during treatment with levofloxacin tablets and for an additional 2 days after the last dose.”
• “Stability of Levofloxacin Injection Following Dilution : Levofloxacin injection, when diluted in a compatible intravenous fluid to a concentration of 5 mg/mL, is stable for 72 hours when stored at or below 25°C (77°F) and for 14 days when stored under refrigeration at 5°C (41°F) in plastic intravenous containers.”
• “Solutions that are diluted in a compatible intravenous solution and frozen in glass bottles or plastic intravenous containers are stable for 6 months when stored at - 20°C (- 4°F).”
• “Stability of Levofloxacin Injection following Dilution: Levofloxacin Injection, when diluted in a compatible intravenous fluid to a concentration of 5 mg/mL, is stable for 72 hours when stored at or below 25°C (77°F) and for 14 days when stored under refrigeration at 5°C (41°F) in flexible intravenous containers.”
• “Solutions that are diluted in a compatible intravenous solution and frozen in glass bottles or plastic intravenous containers are stable for 6 months when stored at 20°C (- 4°F).”

How long does Levofloxacin stay in your body?

The elimination half-life of levofloxacin is about 6 to 8 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. Linear kinetics; the FDA label reports a mean terminal elimination half-life of roughly 6.3 hours after a 500 mg dose and 7.5 hours after 750 mg in adults with normal kidney function. Levofloxacin is not a prodrug and undergoes minimal metabolism, so there is no meaningful active metabolite that outlasts the parent drug. Because it is cleared mainly by the kidneys, the half-life is substantially prolonged in renal impairment — about 27 hours at creatinine clearance 20-49 mL/min and about 35 hours below 20 mL/min, which is why dosing is adjusted for kidney function. Hepatic impairment is not expected to affect elimination.

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: LEVOFLOXACIN tablet — DailyMed FDA label (Clinical Pharmacology).

Frequently asked questions

What does Levofloxacin treat?

Levofloxacin (Levofloxacin) may be used to treat bronchitis, chlamydia infections, escherichia coli infections, haemophilus infections, klebsiella infections, legionnaires' disease, 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 Levofloxacin rated?

pharmaranks gives Levofloxacin a composite score of 3.6 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 Levofloxacin 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 $0.14 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 Levofloxacin?

pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Levofloxacin. To pay less, Levofloxacin is already a generic — usually the lowest-cost version — so the main levers are comparing cash prices between pharmacies and using a pharmacy discount-card service. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.

Who makes Levofloxacin?

Levofloxacin is marketed by Lannett Co Inc. You can see Lannett Co Inc's full profile, rating, and other products on pharmaranks.

Is Levofloxacin a brand-name or generic drug?

Levofloxacin is a generic medication; its active ingredient is Levofloxacin. Generics contain the same active ingredient as the brand-name original and are usually lower cost.

Is Levofloxacin available over the counter?

No. Levofloxacin 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 Levofloxacin come in?

Levofloxacin is currently marketed as solution, injectable, drops and tablet, per the FDA's National Drug Code Directory.

Is Levofloxacin FDA-registered?

Levofloxacin is on record with the U.S. FDA under application number ANDA205222. You can verify this on its official FDA label.

Has Levofloxacin been recalled by the FDA?

Levofloxacin 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 Levofloxacin safe?

There's no single safe-or-not verdict. pharmaranks gives Levofloxacin a recall-safety score of 72/100, 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.