prinivil

Foods & drinks to be careful with

Well-established interactions for this medicine’s drug class, summarized from public health authorities. General information, not medical advice — always confirm with your pharmacist or the label.

• Potassium-rich foods & salt substitutes

  Watch out for: salt substitutes containing potassium, and large amounts of potassium-rich foods or supplements.

  These medicines can raise blood potassium. Adding a lot of extra potassium can push it too high (hyperkalemia), which can affect the heart.

  What to do: Don't use potassium-based salt substitutes unless your clinician approves, and ask before taking potassium supplements. Your clinician may check your potassium level with blood tests.

  Source: Lisinopril (an ACE inhibitor) — MedlinePlus (U.S. National Library of Medicine) · Spironolactone (a potassium-sparing diuretic) — MedlinePlus (U.S. National Library of Medicine)

How long does Lisinopril stay in your body?

The elimination half-life of lisinopril is about 12 hours (the effective half-life, in adults with normal kidney function) — the time it takes the body to clear about half of it. As a rule of thumb, a medicine is mostly gone after roughly 4 to 5 half-lives, though this varies from person to person with age and kidney or liver function. Lisinopril is not metabolized and is cleared unchanged by the kidneys, so its half-life is longer in people with reduced kidney function and in older adults; how much is absorbed also varies widely between individuals. The 12-hour figure is the label's "effective half-life of accumulation" (the clinically meaningful value), not a single-dose terminal half-life.

This is general information, not medical advice. It doesn’t tell you when a drug test would read negative (tests detect substances for different, often longer, windows) or when it’s safe to take another dose — ask your pharmacist or prescriber. Source: LISINOPRIL tablet — DailyMed (FDA label), Clinical Pharmacology / Pharmacokinetics.

Frequently asked questions

What does Prinivil treat?

Prinivil (Lisinopril) may be used to treat diabetic nephropathies, heart failure, hypertension, myocardial infarction, left ventricular dysfunction, based on NIH RxClass drug-classification data (conditions a drug may treat — not a verbatim copy of the FDA-approved label). This is general reference, not medical advice.

How is Prinivil rated?

pharmaranks gives Prinivil a composite score of 3.5 out of 5, currently based on 1 weighted source (FDA regulatory recall-safety data weighted highest). See our methodology at /how-we-rate.

How much does Prinivil cost?

Nobody can tell you what you will pay — your price is set by your insurer's formulary, your deductible and the pharmacy's markup, and none of those are published. What IS published is what the pharmacy paid to acquire it: about $0.77 for 30, per the CMS NADAC survey. Treat that as the floor, not the quote — ask the pharmacist for the cash price as well as your copay, because for cheap generics the cash price often wins.

Is there a coupon or discount for Prinivil?

pharmaranks is an independent ratings site, not a pharmacy — we don't issue coupons or sell Prinivil. To pay less, ask your prescriber or pharmacist whether a generic equivalent exists, check the manufacturer's copay/savings card and patient-assistance program, and compare a pharmacy discount card against your insurance copay. Prices vary by pharmacy, insurance, and location, so always confirm at the counter. This is general reference, not medical or financial advice.

Who makes Prinivil?

Prinivil is marketed by Merck. You can see Merck's full profile, rating, and other products on pharmaranks.

Is Prinivil a brand-name or generic drug?

Prinivil is a brand-name product with the active ingredient Lisinopril. Lower-cost generic equivalents containing Lisinopril are available — ask your pharmacist.

Is Prinivil available over the counter?

No. Prinivil is a prescription (Rx) medication in the US — you need a prescription from a licensed clinician (in person or via telehealth); it isn't sold over the counter. For some conditions there are OTC alternatives — ask your pharmacist.

What forms does Prinivil come in?

Prinivil is currently marketed as tablet, per the FDA's National Drug Code Directory.

What class of drug is Prinivil?

Prinivil is classified as angiotensin converting enzyme inhibitor, per the FDA's Established Pharmacologic Class.

Is Prinivil FDA-registered?

Prinivil is on record with the U.S. FDA under application number NDA019558. You can verify this on its official FDA label.

Has Prinivil been recalled by the FDA?

Prinivil has no FDA recalls recorded under its own application in the openFDA enforcement database. Its recall-safety score reflects its manufacturer's overall recall record. This is general reference, not medical advice — check the FDA recall database for the latest alerts.

Is Prinivil safe?

There's no single safe-or-not verdict. pharmaranks gives Prinivil a recall-safety score of 70/100, based on its FDA recall history (no recalls under its own FDA application) — not an efficacy or side-effect rating. Review its FDA-label side effects and warnings before use, and always consult a licensed professional.