Pill identification — FDA label match

N403 Pill — Dexamethasone 4 mg (Green, Round)

A green round tablet with the imprint N403 matches the FDA label for Dexamethasone 4 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.

ImprintN403
Generic nameDexamethasone
Active ingredient(s)Dexamethasone 4 mg
Strength4 mg
Dosage formTablet
ColourGreen
ShapeRound
Size6 mm
ScoreTwo even pieces
LabelerRemedyrepack Inc.
NDC examples70518-3837-0, 70518-4320-0

What this medicine is

According to its FDA-approved label, Dexamethasone is described as follows (reference information only — not advice about whether it is right for anyone):

Allergic States Control of severe or incapacitating allergic conditions intractable to adequate trials of conventional treatment in asthma, atopic dermatitis, contact dermatitis, drug hypersensitivity reactions, perennial or seasonal allergic rhinitis, and serum sickness....

Equivalent pills — same medicine, different imprint

The pills below contain the same active ingredient at the same strength (Dexamethasone 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.

54 892 Dexamethasone 4 mg — Green · round · 6 mm
PAR 087 Dexamethasone 4 mg — White · pentagon · 7 mmFull page in a later wave
Discount cards: partner discount-card offers for this medicine will appear in this space once our partner programs launch. This slot is intentionally empty — we never link to places that sell prescription medicines.

Frequently asked questions

What pill has the imprint N403?

A green round tablet with the imprint N403 matches the FDA label for Dexamethasone 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 N403 pill look like?

On its FDA label it is described as a green round tablet, 6 mm, with a score recorded as: two even pieces.

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 N403 · Dexamethasone — all forms & strengths · Green pills · Round pills

Source: FDA label data via DailyMed/openFDA · Label set ID 5ddfff92-d068-41ee-99aa-b2f7ecc4de61 · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.