N 3 Pill — WHITE;BLUE CAPSULE, 16mm — Phentermine
| Imprint | N / 3 |
|---|---|
| Colour | WHITE;BLUE |
| Shape | CAPSULE |
| Size | 16 |
| Strength | PHENTERMINE HYDROCHLORIDE 37.5 mg |
| Dosage form | Capsule |
| Manufacturer | SUNRISE PHARMACEUTICAL, INC. |
| NDC | 11534-159 |
| Schedule | CIV |
| Availability | Prescription only |
| Ingredients | PHENTERMINE HYDROCHLORIDE[PHENTERMINE] |
What does this imprint mean?
The imprint "N 3" 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
Phentermine
Uses and warnings
Contraindicated in patients with "history of cardiovascular disease (e.g., coronary artery disease, stroke, arrhythmias, congestive heart failure, uncontrolled hypertension)," during or within 14 days of monoamine oxidase inhibitor use, hyperthyroidism, glaucoma, agitated states, a history of drug abuse, and in pregnancy/nursing. Key warnings: "rare cases of primary pulmonary hypertension have been reported" and "rare cases of serious regurgitant cardiac valvular disease have been reported"; "tolerance to the anorectic effect usually develops within a few weeks"; phentermine is a Schedule IV controlled substance with potential for abuse and dependence.
Phentermine hydrochloride is "indicated as a short-term adjunct (a few weeks) in a regimen of weight reduction based on exercise, behavioral modification and caloric restriction in the management of exogenous obesity" for patients with a BMI ≥30 kg/m², or ≥27 kg/m² "in the presence of other risk factors (e.g., controlled hypertension, diabetes, hyperlipidemia)."
How to identify this pill
- • Check the imprint matches exactly: "N 3".
- • Confirm the colour (WHITE;BLUE) and shape (CAPSULE).
- • Compare the size (16) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
Similar-looking pills
RP10
WHITE;BLUE CAPSULE · Ramipril
APO D30
WHITE;BLUE CAPSULE · Duloxetine
382 382
WHITE;BLUE CAPSULE · Duloxetine
506 AMNEAL
WHITE;BLUE CAPSULE · Indomethacin
4mg PAR
WHITE;BLUE CAPSULE · Tizanidine
Westward 3141
WHITE;BLUE CAPSULE · Doxycycline
202 202
WHITE;BLUE CAPSULE · Methylphenidate
SZ 520
WHITE;BLUE CAPSULE · Atomoxetine
201 201
WHITE;BLUE CAPSULE · Methylphenidate
180
WHITE;BLUE CAPSULE · Diltiazem
15 mg
WHITE;BLUE CAPSULE · Temazepam
SG 115
WHITE;BLUE CAPSULE · Fluoxetine
Other pills of Phentermine
MP 273
WHITE OVAL · Phentermine
LANNETT 1310
YELLOW CAPSULE · Phentermine
EL601
YELLOW CAPSULE · Phentermine
K 25
WHITE;BLUE OVAL · Phentermine
R316
WHITE OVAL · Phentermine
K 25
WHITE;BLUE OVAL · Phentermine
K 25
WHITE;BLUE OVAL · Phentermine
K 26
YELLOW;GRAY CAPSULE · Phentermine
LCI 1445
BLUE OVAL · Phentermine
MP 273
WHITE OVAL · Phentermine
MP 273
WHITE OVAL · Phentermine
K 28
BLUE CAPSULE · Phentermine
Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file de00a23f-4bc0-4732-b54c-77a0a9eb6006.xml