Blood Pressure Home > Sular

Sular is an extended-release medication that is prescribed for treating high blood pressure. By slowing down the rate at which calcium moves into your heart and into the blood vessel walls, the drug can help decrease systolic and diastolic blood pressure. Sular comes in tablet form and is usually taken once a day. Side effects of the medication may include sore throat, dizziness, and headache.

What Is Sular?

Sular® (nisoldipine) is a prescription medication used to treat high blood pressure (hypertension). Sular tablets are extended release, meaning they release the medication slowly and evenly over time.
(Click Sular Uses for more information on what it is used for, including possible off-label uses.)

Who Makes Sular?

It is made by Sciele Pharma, Inc.

How Does It Work?

Sular is part of a class of drugs called calcium channel blockers. This medication helps slow down the rate at which calcium moves into your heart and into the blood vessel walls. This, in turn, helps to relax the vessels, which allows better blood flow and makes it easier for the heart to pump blood.
There are two basic types of calcium channel blockers: dihydropyridine and non-dihydropyridine. The most important difference between the two types is that non-dihydropyridine calcium channel blockers can slow the heart rate, while dihydropyridine calcium channel blockers do not. Sular is a dihydropyridine calcium channel blocker, which means that it does not usually decrease the heart rate.


In clinical studies, Sular was shown to decrease systolic blood pressure by up to 15 mmHg, on average, depending on the dose. It also lowered diastolic blood pressure by up to 10 mmHg, on average.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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