266 Pill — WHITE ROUND, 9mm — Atenolol
| Imprint | 266 |
|---|---|
| Colour | WHITE |
| Shape | ROUND |
| Size | 9 |
| Strength | — |
| Dosage form | Tablet |
| Manufacturer | CARACO PHARMACEUTICAL LABORATORIES, LTD. |
| NDC | 57664-266 |
| Schedule | — |
| Availability | — |
| Ingredients | — |
What does this imprint mean?
The imprint "266" is a code stamped or printed on the tablet or capsule by the manufacturer, used to identify the drug, its strength and the maker.
Active ingredient
Atenolol
Uses and warnings
Drug class"Beta1-selective (cardioselective) adrenoreceptor blocking agent" - a beta-blocker that blocks the "positive chronotropic and inotropic effects of catecholamines," slowing heart rate and reducing the oxygen req...
Read the full drug profile →How to identify this pill
- • Check the imprint matches exactly: "266".
- • Confirm the colour (WHITE) and shape (ROUND).
- • Compare the size (9) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
Similar-looking pills
CTI 103
WHITE ROUND · Diclofenac
SZ 343
WHITE ROUND · Ondansetron
WPI 839
WHITE ROUND · Bupropion
A101
WHITE ROUND · Bupropion
2064 V
WHITE ROUND · Acetaminophen
TEVA 5770
WHITE ROUND · Olanzapine
U36
WHITE ROUND · Acetaminophen
WHITE ROUND · Acetaminophen
E 707
WHITE ROUND · Hydrochlorothiazide
307
WHITE ROUND · Pioglitazone
HP 46
WHITE ROUND · Hydrochlorothiazide
5852 20
WHITE ROUND · Escitalopram
Other pills of Atenolol
GG263
WHITE ROUND · Atenolol
GG L7
WHITE ROUND · Atenolol
RE 21
WHITE ROUND · Atenolol
M 231
WHITE ROUND · Atenolol
D 23
WHITE ROUND · Atenolol
93 752
WHITE ROUND · Atenolol
D 21
WHITE ROUND · Atenolol
M 64
WHITE ROUND · Atenolol
Z 66
WHITE ROUND · Atenolol
Z 67
WHITE ROUND · Atenolol
GG263
WHITE ROUND · Atenolol
ATN 100
WHITE ROUND · Atenolol
Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file f36d4ed3-dcbb-4465-9fa6-1da811f555e6.xml