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 | Bryant Ranch Prepack |
| NDC | 63629-8111 |
| Schedule | — |
| Availability | — |
| 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
Key safety concerns include: - Hypersensitivity reactions: "Hypersensitivity reactions, including anaphylaxis and bronchospasm" may occur; discontinue if suspected - QT prolongation: Risk of serious cardiac arrhythmias; avoid in congenital long QT syndrome; ECG monitoring recommended for at-risk patients - Serotonin syndrome: Risk when combined with serotonergic drugs (SSRIs, SNRIs, tramadol, others); monitor for mental status changes and neuromuscular symptoms - Bowel obstruction masking: May mask progressive ileus and gastric distension post-surgery
Ondansetron tablets are indicated for preventing nausea and vomiting associated with: - Highly emetogenic cancer chemotherapy (including cisplatin ≥50 mg/m²) - Moderately emetogenic cancer chemotherapy courses - Radiotherapy involving total body irradiation or abdominal radiation - Postoperative nausea and/or vomiting
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.
Similar-looking pills
L612
WHITE OVAL · Loratadine
20
WHITE OVAL · Atorvastatin
Z 71
WHITE OVAL · Metformin
GG950 PVK500
WHITE OVAL · Penicillin V
225 IG
WHITE OVAL · Gemfibrozil
115 H
WHITE OVAL · Methocarbamol
R180
WHITE OVAL · Tizanidine
APO ATV20
WHITE OVAL · Atorvastatin
257
WHITE OVAL · Carvedilol
G 13
WHITE OVAL · Gabapentin
4 NO
WHITE OVAL · Ondansetron
93 48
WHITE OVAL · Metformin
Other pills of Ondansetron
8 NO
YELLOW OVAL · Ondansetron
4 NO
WHITE OVAL · Ondansetron
G 4
WHITE ROUND · Ondansetron
G 4
WHITE ROUND · Ondansetron
5 E
WHITE ROUND · Ondansetron
F 91
WHITE OVAL · Ondansetron
M 344
ORANGE ROUND · Ondansetron
4 G1
WHITE OVAL · Ondansetron
130
WHITE OVAL · Ondansetron
G 4
WHITE ROUND · Ondansetron
F 91
WHITE OVAL · Ondansetron
F 92
YELLOW OVAL · Ondansetron
Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file b0871060-d723-41ce-b1ac-a29bb19e015a.xml