166 Pill — WHITE CAPSULE, 11mm — Metoprolol
| Imprint | 166 |
|---|---|
| Colour | WHITE |
| Shape | CAPSULE |
| Size | 11 |
| Strength | METOPROLOL TARTRATE 50 mg |
| Dosage form | Tablet |
| Manufacturer | Proficient Rx LP |
| NDC | 63187-314 |
| Schedule | — |
| Availability | — |
| Ingredients | METOPROLOL TARTRATE[METOPROLOL] |
What does this imprint mean?
The imprint "166" 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
Metoprolol
Uses and warnings
Key warnings include: - Cardiac Failure: "Sympathetic stimulation is a vital component supporting circulatory function in congestive heart failure, and beta-blockade carries the potential hazard of further depressing myocardial contractility" - Abrupt Discontinuation: Risk of angina exacerbation or myocardial infarction if stopped suddenly; dosage should be "gradually reduced over a period of 1 to 2 weeks" - Bronchospastic Diseases: "PATIENTS WITH BRONCHOSPASTIC DISEASES SHOULD, IN GENERAL, NOT RECEIVE BETA-BLOCKERS" - Diabetes: Beta-blockers "may mask tachycardia occurring with hypoglycemia"
Metoprolol tartrate tablets are indicated for three conditions: - Hypertension: "treatment of hypertension. They may be used alone or in combination with other antihypertensive agents." - Angina Pectoris: "long-term treatment of angina pectoris" - Myocardial Infarction: "treatment of hemodynamically stable patients with definite or suspected acute myocardial infarction to reduce cardiovascular mortality"
How to identify this pill
- • Check the imprint matches exactly: "166".
- • Confirm the colour (WHITE) and shape (CAPSULE).
- • Compare the size (11) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
Similar-looking pills
IP190 500
WHITE CAPSULE · Naproxen
30mg Novel123
WHITE CAPSULE · Temazepam
159 H
WHITE CAPSULE · Irbesartan
IBU 800
WHITE CAPSULE · Ibuprofen
IP190 500
WHITE CAPSULE · Naproxen
Par 513
WHITE CAPSULE · Minocycline
L402
WHITE CAPSULE · Acetaminophen
W742
WHITE CAPSULE · Ranitidine
WW949
WHITE CAPSULE · Amoxicillin
APO 1000
WHITE CAPSULE · Metformin
E 8
WHITE CAPSULE · Penicillin V
T15 H
WHITE CAPSULE · Tadalafil
Other pills of Metoprolol
m 100
WHITE ROUND · Metoprolol
R25
PINK ROUND · Metoprolol
M MT2
WHITE OVAL · Metoprolol
C 74
PINK ROUND · Metoprolol
N 25
WHITE OVAL · Metoprolol
RE 76
WHITE ROUND · Metoprolol
C 74
PINK ROUND · Metoprolol
R100
PINK ROUND · Metoprolol
E281
WHITE OVAL · Metoprolol
C 75
BLUE ROUND · Metoprolol
564
WHITE OVAL · Metoprolol
W 735
WHITE ROUND · Metoprolol
Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 7287e38a-e4e7-4459-9b25-f9605050c677.xml