397 Pill — WHITE ROUND, 11mm — Metformin
| Imprint | 397 |
|---|---|
| Colour | WHITE |
| Shape | ROUND |
| Size | 11 |
| Strength | METFORMIN HYDROCHLORIDE 500 mg |
| Dosage form | Tablet |
| Manufacturer | Aidarex Pharmaceuticals LLC |
| NDC | 33261-157 |
| Schedule | — |
| Availability | — |
| Ingredients | METFORMIN HYDROCHLORIDE[METFORMIN] |
What does this imprint mean?
The imprint "397" 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
Metformin
Uses and warnings
BOXED WARNING - LACTIC ACIDOSIS: Postmarketing cases of metformin-associated lactic acidosis have caused death, hypothermia, hypotension, and resistant bradyarrhythmias. Symptoms included malaise, myalgias, respiratory distress, somnolence, and abdominal pain. Risk factors include renal impairment, certain drug combinations, age over 65, contrast imaging procedures, surgery, hypoxic states, excessive alcohol, and hepatic impairment. If lactic acidosis is suspected, discontinue immediately and seek prompt hemodialysis. Additional Warnings: - Vitamin B12 deficiency may occur; monitor hematologic parameters annually and B12 levels every 2-3 years - Increased hypoglycemia risk when combined with insulin or insulin secretagogues - No conclusive evidence of macrovascular risk reduction
Metformin hydrochloride extended-release tablets are indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus.
How to identify this pill
- • Check the imprint matches exactly: "397".
- • Confirm the colour (WHITE) and shape (ROUND).
- • Compare the size (11) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
Similar-looking pills
WPI 338
WHITE ROUND · Diclofenac
V 14
WHITE ROUND · Donepezil
2 9
WHITE ROUND · Glyburide
4365 TEVA
WHITE ROUND · Labetalol
CF
WHITE ROUND · Aspirin
214
WHITE ROUND · Methylphenidate
M2A3 57344
WHITE ROUND · Acetaminophen
W 904
WHITE ROUND · Captopril
GG108
WHITE ROUND · Perphenazine
C4
WHITE ROUND · Estradiol
3
WHITE ROUND · Glyburide
324 plain
WHITE ROUND · Phenobarbital
Other pills of Metformin
D2 1000M
YELLOW OVAL · Metformin
G 11
WHITE ROUND · Metformin
R 728
ORANGE OVAL · Metformin
0018 1000
WHITE ROUND · Metformin
S G
WHITE ROUND · Metformin
500
WHITE ROUND · Metformin
G 12
WHITE OVAL · Metformin
G 10
WHITE ROUND · Metformin
S12 1000
PURPLE OVAL · Metformin
C76
WHITE OVAL · Metformin
S5 1000
BROWN OVAL · Metformin
G7
WHITE CAPSULE · Metformin
Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 14425971-c3fa-42df-b5bc-f2406863729b.xml