A 23 Pill — YELLOW OVAL, 10mm — Lisinopril
| Imprint | A / 23 |
|---|---|
| Colour | YELLOW |
| Shape | OVAL |
| Size | 10 |
| Strength | LISINOPRIL 20 mg |
| Dosage form | Tablet |
| Manufacturer | Citron Pharma LLC |
| NDC | 57237-055 |
| Schedule | — |
| Availability | — |
| Ingredients | LISINOPRIL[LISINOPRIL ANHYDROUS] |
What does this imprint mean?
The imprint "A 23" 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: "A 23".
- • Confirm the colour (YELLOW) and shape (OVAL).
- • Compare the size (10) against a ruler if possible.
- • When in doubt, confirm with a pharmacist before taking any medication.
Similar-looking pills
E 11
YELLOW OVAL · Levetiracetam
9 3
YELLOW OVAL · Levetiracetam
5710 1
YELLOW OVAL · Metformin
P 20
YELLOW OVAL · Pantoprazole
500 20
YELLOW OVAL · Naproxen
E 49
YELLOW OVAL · Losartan
I 52
YELLOW OVAL · Pantoprazole
A6
YELLOW OVAL · Pantoprazole
499
YELLOW OVAL · Mirtazapine
O M
YELLOW OVAL · Tramadol
P 40
YELLOW OVAL · Pantoprazole
342 IG
YELLOW OVAL · Naproxen
Other pills of Lisinopril
LUPIN 40
YELLOW ROUND · Lisinopril
W 928
WHITE ROUND · Lisinopril
WATSON 407
BLUE ROUND · Lisinopril
WATSON 409
YELLOW ROUND · Lisinopril
LUPIN 20
PINK ROUND · Lisinopril
WATSON 407
BLUE ROUND · Lisinopril
LUPIN 10
PINK ROUND · Lisinopril
WATSON 861
BLUE ROUND · Lisinopril
E54
PINK OVAL · Lisinopril
WATSON 862
PINK ROUND · Lisinopril
4209 V
WHITE OVAL · Lisinopril
WW 62
BLUE ROUND · Lisinopril
Official references
Source: FDA Structured Product Label via NLM Pillbox archive (retired 2021); source file dc0a5a29-63b0-44f6-ad5b-e39e7634b5b4.xml