F 91 Pill — WHITE OVAL, 13mm — Doxycycline
| Imprint | F / 91 |
|---|---|
| Colour | WHITE |
| Shape | OVAL |
| Size | 13 |
| Strength | DOXYCYCLINE HYCLATE 75 mg |
| Dosage form | Tablet, Delayed Release |
| Manufacturer | Global Pharmaceuticals, Division of Impax Laboratories Inc. |
| NDC | 0115-1208 |
| Schedule | — |
| Availability | — |
| Ingredients | DOXYCYCLINE HYCLATE[DOXYCYCLINE ANHYDROUS] |
What does this imprint mean?
The imprint "F 91" 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
Doxycycline
Uses and warnings
Drug classTetracycline antibiotic. Mechanism: inhibits bacterial protein synthesis by binding to the 30S ribosomal subunit, providing bacteriostatic activity against gram-positive and gram-negative bacteria.UsesDoxycycline treats bacterial...
Read the full drug profile →How to identify this pill
- • Check the imprint matches exactly: "F 91".
- • Confirm the colour (WHITE) and shape (OVAL).
- • Compare the size (13) 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 b7681b12-ddc1-469c-8c7e-c35d689fff6a.xml