Pill identification — FDA label match
26 U Pill — Atenolol and Chlorthalidone 100 mg / 25 mg (Yellow, Round)
A yellow round tablet with the imprint 26 U matches the FDA label for Atenolol and Chlorthalidone 100 mg / 25 mg. Compare every detail below with your pill, and confirm with a pharmacist before relying on it.
| Imprint | 26 U |
|---|---|
| Imprint parts | 26 · U (the code is split across the pill — often one part per side) |
| Generic name | Atenolol and Chlorthalidone |
| Active ingredient(s) | Chlorthalidone 25 mg; Atenolol 100 mg |
| Strength | 100 mg / 25 mg |
| Dosage form | Tablet |
| Colour | Yellow |
| Shape | Round |
| Size | 9 mm |
| Score | No score |
| Labeler | Remedyrepack Inc. |
| NDC examples | 70518-4111-0 |
What this medicine is
According to its FDA-approved label, Atenolol and Chlorthalidone is described as follows (reference information only — not advice about whether it is right for anyone):
Atenolol and chlorthalidone tablets are indicated for the treatment of hypertension, to lower blood pressure. Lowering blood pressure lowers the risk of fatal and non-fatal cardiovascular events, primarily strokes and myocardial infarctions. These benefits have been seen in controlled trials of...
Equivalent pills — same medicine, different imprint
The pills below contain the same active ingredient at the same strength (Atenolol and Chlorthalidone 100 mg / 25 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 26 U?
A yellow round tablet with the imprint 26 U matches the FDA label for Atenolol and Chlorthalidone 100 mg / 25 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 26 U pill look like?
On its FDA label it is described as a yellow round tablet, 9 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 26 U · Atenolol and Chlorthalidone — all forms & strengths · Yellow pills · Round pills
Source: FDA label data via DailyMed/openFDA · Label set ID dfbd0160-f56a-41b9-a4ff-eb2df73b1e9b · Record extracted from the openFDA bulk export of October 29, 2026. Spotted an error? Report it — include the imprint and what looks wrong.