By Medically reviewed by hellodoktor

Generic Name: Isradipine Brand Name(s): Isradipine.


What is isradipine used for?

Isradipine is commonly used for treating high blood pressure. Isradipine may be used in combination with other high blood pressure medications.

It may also be used for other conditions as determined by your doctor.

How should I take isradipine?

Take isradipine by mouth with or without food.

Taking isradipine at the same time each day will help you remember to take it.

Continue to use isradipine even if you feel well. Do not miss any doses.

How do I store isradipine?

Isradipine is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store isradipine in the bathroom or the freezer. There may be different brands of isradipine that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush isradipine down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using isradipine?

Before using this drug, tell your doctor if:

  • You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only take medicines on the recommendation of a doctor.
  • You are taking any other medicines. This includes any medicines you are taking which are available to buy without a prescription, such as herbal and complementary medicines.
  • You have allergy with any of active or inactive ingredients of isradipine or other medications.
  • You have any other illnesses, disorders, or medical conditions.

Is it safe during pregnancy or breastfeeding?

There are no adequate studies in women for determining risk when using isradipine during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking isradipine. Isradipine is pregnancy risk category C, according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk
  • B=No risk in some studies
  • C=There may be some risk
  • D=Positive evidence of risk
  • X=Contraindicated
  • N=Unknown

Side effects

What side effects can occur from isradipine?

Common side effects may occur when using this drug, such as:

  • Headache
  • Dizziness or lightheadedness
  • Flushing
  • Fast heartbeat
  • Excessive tiredness
  • Upset stomach
  • Vomiting
  • Diarrhea

Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately or get emergency medical treatment:

  • Chest pain
  • Swelling of the face, eyes, lips, tongue, arms, or legs
  • Difficulty breathing or swallowing
  • Fainting
  • Rash

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.


What drugs may interact with isradipine?

Isradipine may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs, and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval. Especially if you are taking Fentanyl.

Does food or alcohol interact with isradipine?

Isradipine may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with isradipine?

Isradipine may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

These health conditions may include:

  • Heart problems (e.g., congestive heart failure, ventricle problems, or a slow heartbeat)
  • Kidney or liver problems
  • A history of low blood pressure
  • A heart attack
  • Shock due to serious heart problems
  • Narrowing of the stomach or intestines


The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using isradipine.

What is the dose of isradipine for an adult?

The recommended dose is 2.5 milligrams (mg) twice a day. Your doctor may increase your dose if needed.

What is the dose of isradipine for a child?

The dosage has not been established in pediatric patients. It may be unsafe for your child. It is always important to fully the safety of the drug before using. Please consult with your doctor or pharmacist for more information.

How is isradipine available?

Isradipine is available in the following dosage forms and strengths:

  • Tablet 2,5 mg
  • Capsule 2,5mg

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of isradipine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.


Review Date: May 10, 2017 | Last Modified: September 13, 2019

You might also like