Lisinopril Tablets (2.5 mg, 5 mg, 10 mg)

Lisinopril tablets belong to the ACE-inhibitor class of medicines and are taken by mouth to help manage high blood pressure and certain heart conditions. In the United States, lisinopril has also been sold under brand names such as Zestril and Prinivil, though our catalog lists it under its generic name. We currently offer Lisinopril as an oral tablet in 2.5 mg, 5 mg, and 10 mg strengths, with package quantities that vary by strength so you can match the listing to your prescribed regimen.

Quick Overview

Lisinopril works by blocking the angiotensin-converting enzyme, which relaxes blood vessels and lowers blood pressure. It is commonly prescribed for hypertension, as an adjunct in heart failure management, and to improve survival after a stable acute myocardial infarction. Our 2.5 mg and 5 mg tablets are available in packs of 90, 180, 270, or 360 pills, while our 10 mg tablets come in packs of 60, 90, 120, 180, 270, or 360 pills, giving you flexibility to order a supply that fits your prescribed course.

Who May Use It

Lisinopril is established for adult use in hypertension, heart failure, and post-heart-attack care. It is also approved for children 6 years of age and older for high blood pressure, using weight-based dosing determined by a pediatrician; it is not established for children younger than 6 or for those with severe kidney impairment.

Pregnancy and Breastfeeding

Lisinopril carries a boxed warning because ACE inhibitors can injure a developing fetus. Anyone who becomes pregnant while taking lisinopril should contact their prescriber right away so treatment can be discontinued as soon as pregnancy is detected. Because it is not known whether lisinopril passes into breast milk, nursing parents should discuss the balance of benefits and risks with a clinician before continuing treatment.

Diabetes and Other Health Conditions

People with diabetes who use insulin or oral antidiabetic medicines should monitor blood glucose closely after starting lisinopril, since the combination can increase the risk of low blood sugar, particularly in the first weeks of treatment. Lisinopril should not be combined with aliskiren in patients with diabetes. Anyone with a known hypersensitivity to lisinopril, another ACE inhibitor, or a history of ACE inhibitor-related swelling of the face, lips, or throat should avoid this medicine entirely. Some patients are prescribed lisinopril together with a thiazide diuretic such as Hydrochlorothiazide for additional blood pressure control; this kind of combination therapy should always be set up by a prescriber rather than self-directed.

Before Using Lisinopril

Before the first dose, it helps to confirm a few practical points with your prescriber or pharmacist. Baseline kidney function and potassium levels are often checked, since lisinopril can raise potassium and affect renal markers, especially in people with existing kidney disease. Let your prescriber know about any diuretics, potassium supplements, salt substitutes, lithium, NSAIDs, or aliskiren you take, as these can interact with lisinopril. Dizziness or lightheadedness is more likely when treatment starts or when a dose changes, so it is sensible to see how you respond before driving or operating machinery.

Routine Handling and Storage

Lisinopril tablets are usually taken once daily at a consistent time, with or without food, since food does not meaningfully change absorption. If a dose is missed, it is generally taken as soon as remembered unless it is close to the next scheduled dose, in which case the missed dose is skipped rather than doubled. Consistency matters more than exact timing, since blood pressure control depends on steady dosing rather than a single dose.

Keep tablets in their original, tightly closed container, away from bathroom humidity and other moisture sources. We recommend storing this medicine at 68°F to 77°F, with brief excursions down to 59°F or up to 86°F considered acceptable during transport or short-term storage. Avoid freezing and keep the container away from direct heat sources such as a stove, heater, or a car left in the sun. As with any prescription medicine, store lisinopril out of the reach and sight of children.

Purchase and Delivery

When you're ready to order, choose the strength and package size that matches your prescription: 2.5 mg or 5 mg in packs of 90, 180, 270, or 360 pills, or 10 mg in packs of 60, 90, 120, 180, 270, or 360 pills. Lisinopril tablets are a prescription medicine in the United States and should be used only as directed by a prescriber. Review any requirements presented during our checkout before submitting your order. Our support team is available around the clock by email, live chat, or phone if you have questions about the process, including access to a pharmacist for medication-specific questions.

Once your order is confirmed, we pack it discreetly in plain, tamper-evident packaging that protects the tablets in transit without displaying product details on the outside. When your delivery arrives, check that the strength and pill count on the label match what you ordered, and confirm that the seal is intact before use. If anything looks incorrect or the packaging appears disturbed, contact our support team right away so we can help sort it out.

If you're comparing options for blood pressure management, you can browse our Blood Pressure category to see other treatments we offer alongside Lisinopril.