Pill identification — FDA label match
NL4 Pill — Orphenadrine Citrate 100 mg (White, Round)
A white round tablet with the imprint NL4 matches the FDA label for Orphenadrine Citrate 100 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.
| Imprint | NL4 |
|---|---|
| Generic name | Orphenadrine Citrate |
| Active ingredient(s) | Orphenadrine Citrate 100 mg |
| Strength | 100 mg |
| Dosage form | Tablet, Extended Release |
| Colour | White |
| Shape | Round |
| Size | 10 mm |
| Score | No score |
| Labeler | Remedyrepack Inc. |
| NDC examples | 70518-4506-0, 70518-4506-1, 70518-4506-2, 70518-4506-3, 70518-4506-4 |
What this medicine is
According to its FDA-approved label, Orphenadrine Citrate is described as follows (reference information only — not advice about whether it is right for anyone):
Orphenadrine citrate extended-release tablets are indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute painful musculoskeletal conditions.
Frequently asked questions
What pill has the imprint NL4?
A white round tablet with the imprint NL4 matches the FDA label for Orphenadrine Citrate 100 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 NL4 pill look like?
On its FDA label it is described as a white round tablet, 10 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 NL4 · Orphenadrine Citrate — all forms & strengths · White pills · Round pills
Source: FDA label data via DailyMed/openFDA · Label set ID 7905e80f-b60b-48e8-8e63-a3e50211bfe4 · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.