U40 Pill — WHITE CAPSULE, 10mm — Phentermine
| Imprint | U40 |
|---|---|
| Colour | WHITE |
| Shape | CAPSULE |
| Size | 10 |
| Strength | PHENTERMINE HYDROCHLORIDE 37.5 mg |
| Dosage form | Tablet |
| Manufacturer | Proficient Rx LP |
| NDC | 63187-800 |
| Schedule | CIV |
| Availability | Prescription only |
| Ingredients | PHENTERMINE HYDROCHLORIDE[PHENTERMINE] |
What does this imprint mean?
The imprint "U40" 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: "U40".
- • Confirm the colour (WHITE) and shape (CAPSULE).
- • Compare the size (10) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
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Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file 59cd048e-73db-4176-8ac6-1370ce677ff4.xml