F 91 Pill — WHITE OVAL, 6mm — Ondansetron
| Imprint | F / 91 |
|---|---|
| Colour | WHITE |
| Shape | OVAL |
| Size | 6 |
| Strength | ONDANSETRON HYDROCHLORIDE 4 mg |
| Dosage form | Tablet, Film Coated |
| Manufacturer | DIRECT RX |
| NDC | 61919-565 |
| Schedule | — |
| Availability | Prescription only |
| Ingredients | ONDANSETRON HYDROCHLORIDE[ONDANSETRON] |
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
Ondansetron
Uses and warnings
Drug classOndansetron is a selective 5-HT3 receptor antagonist—a serotonin antagonist used for antiemetic purposes.UsesOndansetron tablets are indicated for preventing nausea and vomiting associated with: - Highly emetogenic cancer chemothe...
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 (6) 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 90b77a2b-6ac9-b68b-e053-2a95a90af009.xml