AN 521 Pill — WHITE ROUND, 7mm — Promethazine
| Imprint | AN / 521 |
|---|---|
| Colour | WHITE |
| Shape | ROUND |
| Size | 7 |
| Strength | PROMETHAZINE HYDROCHLORIDE 25 mg |
| Dosage form | Tablet |
| Manufacturer | Marlex Pharmaceuticals Inc |
| NDC | 10135-495 |
| Schedule | — |
| Availability | — |
| Ingredients | PROMETHAZINE HYDROCHLORIDE[PROMETHAZINE] |
What does this imprint mean?
The imprint "AN 521" 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
Promethazine
Uses and warnings
Drug classA phenothiazine derivative that functions as "an H1 receptor blocking agent" with antihistaminic, sedative, antiemetic, and anticholinergic properties, and relatively weak dopamine-antagonist/antipsychotic activity compa...
Read the full drug profile →How to identify this pill
- • Check the imprint matches exactly: "AN 521".
- • Confirm the colour (WHITE) and shape (ROUND).
- • Compare the size (7) 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 3e129796-33ec-4744-954a-299f89fa1685.xml