Pill identification — FDA label match
I4 Pill — Ibuprofen 400 mg (White, Oval)
A white oval tablet with the imprint I4 matches the FDA label for Ibuprofen 400 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.
| Imprint | I4 |
|---|---|
| Generic name | Ibuprofen |
| Active ingredient(s) | Ibuprofen 400 mg |
| Strength | 400 mg |
| Dosage form | Tablet |
| Colour | White |
| Shape | Oval |
| Size | 16 mm |
| Score | No score |
| Labeler | Remedyrepack Inc. |
| NDC examples | 70518-3861-0, 70518-3861-1, 70518-3861-2 |
What this medicine is
According to its FDA-approved label, Ibuprofen is described as follows (reference information only — not advice about whether it is right for anyone):
Carefully consider the potential benefits and risks of ibuprofen tablets and other treatment options before deciding to use ibuprofen. Use the lowest effective dose for the shortest duration consistent with individual patient treatment goals (see WARNINGS ). Ibuprofen tablets are indicated for...
Equivalent pills — same medicine, different imprint
The pills below contain the same active ingredient at the same strength (Ibuprofen 400 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 I4?
A white oval tablet with the imprint I4 matches the FDA label for Ibuprofen 400 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 I4 pill look like?
On its FDA label it is described as a white oval tablet, 16 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 I4 · Ibuprofen — all forms & strengths · White pills · Oval pills
Source: FDA label data via DailyMed/openFDA · Label set ID ec6b2df4-2f4f-4601-8b53-0542664e0bd9 · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.