W 547 Pill — WHITE CAPSULE, 22mm — Levofloxacin
| Imprint | W / 547 |
|---|---|
| Colour | WHITE |
| Shape | CAPSULE |
| Size | 22 |
| Strength | LEVOFLOXACIN 750 mg |
| Dosage form | Tablet |
| Manufacturer | Major Pharmaceuticals |
| NDC | 0904-6251 |
| Schedule | — |
| Availability | — |
| Ingredients | LEVOFLOXACIN[LEVOFLOXACIN ANHYDROUS] |
What does this imprint mean?
The imprint "W 547" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.
Active ingredient
Levofloxacin
Uses and warnings
BOXED WARNING: "Fluoroquinolones, including LEVAQUIN, are associated with an increased risk of tendinitis and tendon rupture in all ages," a risk "further increased in older patients usually over 60 years of age, in patients taking corticosteroid drugs, and in patients with kidney, heart or lung transplants." The boxed warning also covers peripheral neuropathy that may be irreversible, CNS effects including seizures and psychiatric disturbances, and worsening of myasthenia gravis. Contraindicated in patients with "known hypersensitivity to levofloxacin or other quinolone antibacterials." Other major warnings include hypersensitivity/anaphylactic reactions, hepatotoxicity, QT prolongation/torsade de pointes, Clostridioides difficile-associated diarrhea, and disturbances of blood glucose.
Levofloxacin tablets are indicated in adults (18 years and older) for infections including nosocomial and community-acquired pneumonia, "acute bacterial sinusitis," "acute bacterial exacerbation of chronic bronchitis," complicated and uncomplicated skin and skin structure infections, "chronic bacterial prostatitis," complicated and uncomplicated urinary tract infections, "acute pyelonephritis," and "inhalational anthrax, post-exposure." The label directs that it be reserved for infections with no alternative treatment when benefits outweigh risks.
How to identify this pill
- • Check the imprint matches exactly: "W 547".
- • Confirm the colour (WHITE) and shape (CAPSULE).
- • Compare the size (22) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
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Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 7854cf56-ffc0-4692-8c80-b966b49b7029.xml