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Sular

Generic name: nisoldipine

Last updated November 3, 2026 0 views
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What is Sular?

Sular is a calcium channel blocker that treats high blood pressure (hypertension) in adults.

Sular may also be used for reasons not mentioned in this medication guide.

This section was rewritten for readability and reviewed for meaning.

How should I take Sular?

Follow all instructions on your prescription label and read all medication guides or instruction sheets. Your doctor may change your dose from time to time. Use the medicine exactly as instructed.

Take Sular on an empty stomach, at least 1 hour before or 2 hours after a meal.

Swallow the tablet whole and do not crush, chew, or break it.

Your blood pressure will need to be checked regularly.

Store at room temperature, away from moisture, heat, and light.

Continue using all your blood pressure medications as directed, even if you feel fine. Read all medication guides you receive. Do not change your dose or stop taking your medicine without your doctor's advice.

This section was rewritten for readability and reviewed for meaning.

Warnings

Follow all instructions on your medicine label and package. Inform each of your healthcare providers about all your medical conditions, allergies, and all medications you are taking.

This section was rewritten for readability and reviewed for meaning.

Before taking this medicine

You should not use Sular if you are allergic to Sular or to similar medications like amlodipine, felodipine, nicardipine, nifedipine, or nimodipine.

Tell your doctor if you have ever had:

  • coronary artery disease;
  • congestive heart failure;
  • liver disease;
  • an allergy to yellow food dye; or
  • asthma, or a severe allergic reaction (sneezing, runny or stuffy nose, wheezing, shortness of breath) after taking aspirin.

Older adults may be more sensitive to the effects of this medicine.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

You should not breastfeed while using Sular.

This section was rewritten for readability and reviewed for meaning.

Sular side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Sular may cause serious side effects. Call your doctor right away if you have:

  • a light-headed feeling, like you might pass out;
  • chest pain or pressure, pain spreading to your jaw or shoulder;
  • swelling in your hands or feet;
  • flushing (sudden warmth, redness, or tingly feeling);
  • fast heartbeats; or
  • sudden numbness or weakness, problems with vision or speech.

You may have new or worsening chest pain when you first start taking Sular or whenever your dose is changed.

Common side effects of Sular may include:

  • swelling;
  • headache;
  • dizziness; or
  • flushing.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

This section was rewritten for readability and reviewed for meaning.

What happens if I miss a dose?

Take the medicine as soon as you remember, but skip the missed dose if your next dose is coming up soon. Do not take two doses at the same time.

This section was rewritten for readability and reviewed for meaning.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Grapefruit may interact with Sular and cause unwanted side effects. Avoid using grapefruit products.

This section was rewritten for readability and reviewed for meaning.

What other drugs will affect Sular?

Sometimes, it is not safe to use certain medications together. Some drugs can change the levels of other drugs in your blood, which may increase side effects or make the medications less effective.

Tell your doctor about all your current medicines and any you start or stop using, especially any other blood pressure medicines.

Many drugs can affect Sular. This includes prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed here. Tell your doctor about all your current medicines and any medicine you start or stop using.

This section was rewritten for readability and reviewed for meaning.

Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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Content is provided for education and is not medical advice. See our medical disclaimer.