Pill identification — FDA label match
G 4 Pill — Ondansetron 4 mg (White, Round)
A white round tablet with the imprint G 4 matches the FDA label for Ondansetron 4 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.
| Imprint | G 4 |
|---|---|
| Imprint parts | G · 4 (the code is split across the pill — often one part per side) |
| Generic name | Ondansetron |
| Active ingredient(s) | Ondansetron 4 mg |
| Strength | 4 mg |
| Dosage form | Tablet, Orally Disintegrating |
| Colour | White |
| Shape | Round |
| Size | 7 mm |
| Score | No score |
| Labeler | Remedyrepack Inc. |
| NDC examples | 52125-568-08, 52125-568-02, 52125-568-10, 52125-568-50, 70518-3512-0 … (13 package codes in total) |
What this medicine is
According to its FDA-approved label, Ondansetron is described as follows (reference information only — not advice about whether it is right for anyone):
Prevention of nausea and vomiting associated with highly emetogenic cancer chemotherapy, including cisplatin ≥50 mg/m 2 . Prevention of nausea and vomiting associated with initial and repeat courses of moderately emetogenic cancer chemotherapy. Prevention of nausea and vomiting...
Equivalent pills — same medicine, different imprint
The pills below contain the same active ingredient at the same strength (Ondansetron 4 mg). Different makers stamp their own codes, so equivalent pills often look completely different. This is factual label information — it is not a suggestion to substitute one product for another; only a pharmacist or prescriber can advise on that.
Frequently asked questions
What pill has the imprint G 4?
A white round tablet with the imprint G 4 matches the FDA label for Ondansetron 4 mg. Always compare the colour, shape and size as well — short imprints are shared by different medicines — and confirm with a pharmacist.
What does the G 4 pill look like?
On its FDA label it is described as a white round tablet, 7 mm, with a score recorded as: no score.
How can I be sure this identification is right?
Check every characteristic — imprint (both sides), colour, shape, size and score — against the pill in your hand. If all of them agree, the pill matches the FDA label shown here, but that is still not a guarantee: counterfeit pills copy real imprints. A pharmacist can confirm the identification in person, and you should never take a pill you are not certain about.
Browse: all pills with imprint G 4 · Ondansetron — all forms & strengths · White pills · Round pills
Source: FDA label data via DailyMed/openFDA · Label set ID 6c085fdb-1e64-427d-9c01-5933de94a320 · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.