531 Pill — GRAY CAPSULE, 9mm — Minocycline
| Imprint | 531 |
|---|---|
| Colour | GRAY |
| Shape | CAPSULE |
| Size | 9 |
| Strength | MINOCYCLINE HYDROCHLORIDE 45 mg |
| Dosage form | Tablet, Extended Release |
| Manufacturer | Zydus Pharmaceuticals (USA) Inc. |
| NDC | 68382-531 |
| Schedule | — |
| Availability | Prescription only |
| Ingredients | MINOCYCLINE HYDROCHLORIDE[MINOCYCLINE] |
What does this imprint mean?
The imprint "531" 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
Minocycline
Uses and warnings
Drug classA "tetracycline-class" semisynthetic antibiotic, bacteriostatic in action, working by inhibiting bacterial protein synthesis at the ribosome; active against a broad range of gram-positive and gram-negative organisms, ric...
Read the full drug profile →How to identify this pill
- • Check the imprint matches exactly: "531".
- • Confirm the colour (GRAY) and shape (CAPSULE).
- • Compare the size (9) 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 47b01828-c100-43a1-a6ff-535932b9ae5b.xml