4 NO Pill — WHITE OVAL, 10mm — Ondansetron
| Imprint | 4 / NO |
|---|---|
| Colour | WHITE |
| Shape | OVAL |
| Size | 10 |
| Strength | ONDANSETRON HYDROCHLORIDE 4 mg |
| Dosage form | Tablet, Film Coated |
| Manufacturer | A-S Medication Solutions |
| NDC | 54569-6168 |
| Schedule | — |
| Availability | — |
| Ingredients | ONDANSETRON HYDROCHLORIDE[ONDANSETRON] |
What does this imprint mean?
The imprint "4 NO" 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: "4 NO".
- • Confirm the colour (WHITE) and shape (OVAL).
- • Compare the size (10) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
Similar-looking pills
U 135
WHITE OVAL · Clonidine
I 10
WHITE OVAL · Ibuprofen
H 49
WHITE OVAL · Sulfamethoxazole Trimethoprim
IP 45
WHITE OVAL · Cetirizine
7300
WHITE OVAL · Verapamil
899 1
WHITE OVAL · Estradiol
Y102
WHITE OVAL · Ciprofloxacin
L612
WHITE OVAL · Loratadine
792
WHITE OVAL · Acyclovir
ABRS 123
WHITE OVAL · Potassium Chloride
APO 102
WHITE OVAL · Etodolac
3
WHITE OVAL · Isosorbide Mononitrate
Other pills of Ondansetron
F 91
WHITE OVAL · Ondansetron
G 8
WHITE ROUND · Ondansetron
M 734
WHITE ROUND · Ondansetron
G 8
WHITE ROUND · Ondansetron
SZ 343
WHITE ROUND · Ondansetron
TARO OND4
YELLOW OVAL · Ondansetron
RE6
WHITE ROUND · Ondansetron
M 374
ORANGE ROUND · Ondansetron
131
YELLOW OVAL · Ondansetron
93 233
WHITE ROUND · Ondansetron
5 E
WHITE ROUND · Ondansetron
24 G1
PINK OVAL · Ondansetron
Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 70ed9d20-5f99-43ab-8690-b0f541aeeae9.xml