Pill identification — FDA label match
LU F11 Pill — Cefadroxil 500 mg (Red, Capsule)
A red capsule with the imprint LU F11 matches the FDA label for Cefadroxil 500 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.
| Imprint | LU F11 |
|---|---|
| Imprint parts | LU · F11 (the code is split across the pill — often one part per side) |
| Generic name | Cefadroxil |
| Active ingredient(s) | Cefadroxil 500 mg |
| Strength | 500 mg |
| Dosage form | Capsule |
| Colour | Red |
| Shape | Capsule |
| Size | 22 mm |
| Score | No score |
| Labeler | Remedyrepack Inc. |
| NDC examples | 70518-3580-0, 70518-3580-1, 61786-590-03 |
What this medicine is
According to its FDA-approved label, Cefadroxil is described as follows (reference information only — not advice about whether it is right for anyone):
Cefadroxil Capsules USP are indicated for the treatment of patients with infection caused by susceptible strains of the designated organisms in the following diseases: Urinary tract infections caused by E. coli , P. mirabilis , and Klebsiella species. Skin and skin structure infections caused by...
Equivalent pills — same medicine, different imprint
The pills below contain the same active ingredient at the same strength (Cefadroxil 500 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 LU F11?
A red capsule with the imprint LU F11 matches the FDA label for Cefadroxil 500 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 LU F11 pill look like?
On its FDA label it is described as a red capsule, 22 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 LU F11 · Cefadroxil — all forms & strengths · Red pills · Capsule pills
Source: FDA label data via DailyMed/openFDA · Label set ID eb365f05-1c8f-4495-b443-abb0580b39fb · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.