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 | St. Mary's Medical Park Pharmacy |
| NDC | 60760-636 |
| 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
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
L484
WHITE OVAL · Acetaminophen
E
WHITE OVAL · Acetaminophen
PD 156
WHITE OVAL · Atorvastatin
M133
WHITE OVAL · Folic Acid
PD 155
WHITE OVAL · Atorvastatin
588 P
WHITE OVAL · Hydrochlorothiazide
X 33
WHITE OVAL · Amoxicillin
VANQUISH
WHITE OVAL · Acetaminophen
SG 465
WHITE OVAL · Nabumetone
APO A10
WHITE OVAL · Atorvastatin
GLYBUR
WHITE OVAL · Glyburide
93 7331
WHITE OVAL · Fenofibrate
Other pills of Ondansetron
131
YELLOW OVAL · Ondansetron
93 7236
YELLOW ROUND · Ondansetron
M 315
WHITE ROUND · Ondansetron
928 GG
YELLOW ROUND · Ondansetron
F 91
WHITE OVAL · Ondansetron
7 E
WHITE ROUND · Ondansetron
F 91
WHITE OVAL · Ondansetron
5 E
WHITE ROUND · Ondansetron
F 92
YELLOW OVAL · Ondansetron
F 91
WHITE OVAL · Ondansetron
R 153
WHITE ROUND · Ondansetron
F 92
YELLOW OVAL · Ondansetron
Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 94f70c4e-b9a4-7857-e053-2a95a90a8ba0.xml