Pill identification — FDA label match

U 1 Pill — Cyclobenzaprine Hydrochloride 5 mg (White, Round)

A white round tablet with the imprint U 1 matches the FDA label for Cyclobenzaprine Hydrochloride 5 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.

ImprintU 1
Imprint partsU · 1 (the code is split across the pill — often one part per side)
Brand nameCyclobenzaprine hydrochloride
Generic nameCyclobenzaprine Hydrochloride
Active ingredient(s)Cyclobenzaprine Hydrochloride 5 mg
Strength5 mg
Dosage formTablet, Film Coated
ColourWhite
ShapeRound
Size6 mm
ScoreNo score
LabelerRemedyrepack Inc.
NDC examples70518-3251-0, 70518-3251-1, 70518-3251-2, 70518-3251-3, 70518-3251-4 … (7 package codes in total)

What this medicine is

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

Cyclobenzaprine hydrochloride tablets, USP are indicated as an adjunct to rest and physical therapy for relief of muscle spasm associated with acute, painful musculoskeletal conditions. Improvement is manifested by relief of muscle spasm and its associated signs and symptoms, namely, pain,...

Equivalent pills — same medicine, different imprint

The pills below contain the same active ingredient at the same strength (Cyclobenzaprine Hydrochloride 5 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.

020 Cyclobenzaprine Hydrochloride 5 mg — Yellow · round · 8 mm
K 6 Cyclobenzaprine Hydrochloride 5 mg — Orange · round · 8 mmFull page in a later wave
282 IG Cyclobenzaprine Hydrochloride 5 mg — Yellow · round · 6 mmFull page in a later wave
2631 V Cyclobenzaprine Hydrochloride 5 mg — Orange · round · 7 mmFull page in a later wave
IG 282 Cyclobenzaprine Hydrochloride 5 mg — Yellow · round · 6 mmFull page in a later wave
WATSON 3256 Cyclobenzaprine Hydrochloride 5 mg — White · round · 8 mmFull page in a later wave
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Frequently asked questions

What pill has the imprint U 1?

A white round tablet with the imprint U 1 matches the FDA label for Cyclobenzaprine Hydrochloride 5 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 U 1 pill look like?

On its FDA label it is described as a white round tablet, 6 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 U 1 · Cyclobenzaprine Hydrochloride — all forms & strengths · White pills · Round pills

Source: FDA label data via DailyMed/openFDA · Label set ID eb2b24b1-2851-440f-9075-b6a123a1fd5c · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.