54 557 Pill — YELLOW ROUND, 10mm — Losartan
| Imprint | 54 / 557 |
|---|---|
| Colour | YELLOW |
| Shape | ROUND |
| Size | 10 |
| Strength | LOSARTAN POTASSIUM 100 mg;HYDROCHLOROTHIAZIDE 25 mg |
| Dosage form | Tablet |
| Manufacturer | Aidarex Pharmaceuticals LLC |
| NDC | 33261-904 |
| Schedule | — |
| Availability | — |
| Ingredients | LOSARTAN POTASSIUM[LOSARTAN];HYDROCHLOROTHIAZIDE[HYDROCHLOROTHIAZIDE] |
What does this imprint mean?
The imprint "54 557" 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
Losartan
Uses and warnings
BOXED WARNING: BOXED WARNING - Fetal Toxicity: "When pregnancy is detected, discontinue losartan potassium tablets as soon as possible." Drugs affecting the renin-angiotensin system cause fetal injury and death, particularly during the second and third trimesters, resulting in oligohydramnios, lung hypoplasia, and skeletal deformations. Additional Warnings: - Symptomatic hypotension may occur in volume-depleted patients; correct conditions before administration or use lower starting doses - Impaired renal function changes reported in susceptible individuals - Hyperkalemia risk, particularly in diabetic patients with renal impairment
Losartan potassium tablets treat hypertension alone or combined with other antihypertensive agents. The medication also addresses diabetic nephropathy with elevated serum creatinine and proteinuria in type 2 diabetes patients with hypertension history, reducing nephropathy progression rates.
How to identify this pill
- • Check the imprint matches exactly: "54 557".
- • Confirm the colour (YELLOW) and shape (ROUND).
- • 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 b125e99c-f968-4ece-9c23-64aa5b1e4986.xml