RX538 Pill — ORANGE ROUND, 8mm — Lisinopril
| Imprint | RX538 |
|---|---|
| Colour | ORANGE |
| Shape | ROUND |
| Size | 8 |
| Strength | LISINOPRIL 20 mg;HYDROCHLOROTHIAZIDE 25 mg |
| Dosage form | Tablet |
| Manufacturer | Ranbaxy Pharmaceuticals Inc |
| NDC | 63304-538 |
| Schedule | — |
| Availability | — |
| Ingredients | LISINOPRIL[LISINOPRIL ANHYDROUS];HYDROCHLOROTHIAZIDE[HYDROCHLOROTHIAZIDE] |
What does this imprint mean?
The imprint "RX538" 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
Lisinopril
Uses and warnings
BOXED WARNING: BOXED WARNING - FETAL TOXICITY: "When pregnancy is detected, discontinue Lisinopril Tablets as soon as possible." ACE inhibitors can cause injury and death to developing fetuses, particularly during the second and third trimesters. Key warnings include: - Angioedema: Can occur at any time; may involve face, lips, tongue, or airway—potentially fatal - Renal impairment: Monitor kidney function; risk of acute renal failure in vulnerable patients - Hypotension: Risk especially in heart failure, volume depletion, or concurrent diuretic use - Hyperkalemia: Monitor potassium levels; increased risk with renal insufficiency or diabetes | BOXED WARNING - FETAL TOXICITY: "When pregnancy is detected, discontinue Lisinopril Tablets as soon as possible." ACE inhibitors can cause injury and death to developing fetuses, particularly during the second and third trimesters. Key warnings include: - Angioedema: Can occur at any time; may involve face, lips, tongue, or airway—potentially fatal - Renal impairment: Monitor kidney function; risk of acute renal failure in vulnerable patients - Hypotension: Risk especially in heart failure, volume depletion, or concurrent diuretic use - Hyperkalemia: Monitor potassium levels; increased risk with renal insufficiency or diabetes
Lisinopril is indicated for: treatment of hypertension in adults and pediatric patients 6 years and older; adjunct therapy for heart failure; and reduction of mortality following acute myocardial infarction. The medication works by lowering blood pressure to reduce risk of cardiovascular events like strokes and heart attacks.
How to identify this pill
- • Check the imprint matches exactly: "RX538".
- • Confirm the colour (ORANGE) and shape (ROUND).
- • Compare the size (8) 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 b119c7cd-d261-41ca-94a4-d01ace9e4929.xml