Definity

Generic name: Perflutren
Drug class: Ultrasound contrast media

Usage of Definity

Definity is an ultrasound contrast agent that is used to improve the quality of an echocardiogram (ultrasound of the heart). This medicine works by changing the way ultrasound waves travel within your heart. This helps the ultrasound portray a sharper image of your heart.

Definity is used to allow certain segments of the heart to be seen more clearly on an echocardiogram.

Definity may also be used for purposes not listed in this medication guide.

Definity side effects

Get emergency medical help if you have signs of an allergic reaction: hives, skin redness, itching; warmth, redness, numbness, or tingly feeling; wheezing, trouble breathing, tightness in your chest or throat; swelling of your face, lips, tongue, or throat.

In rare cases, serious or fatal reactions may occur during the injection or shortly afterward. Tell your caregivers right away if you have:

  • a light-headed feeling, like you might pass out;
  • severe dizziness, or a cold sweat;
  • chest pain, wheezing, trouble breathing;
  • fast or slow heartbeats;
  • severe headache, blurred vision, pounding in your neck or ears, anxiety, confusion; or
  • slow heart rate, weak pulse, fainting, weak or shallow breathing.

    • You may be more likely to have a serious reaction if you have severe or uncontrolled heart problems (congestive heart failure, a recent heart attack, serious heart rhythm disorder).

    Common side effects of Definity may include:

  • headache, dizziness;
  • flushing (warmth, redness, or tingly feeling);
  • nausea;
  • chest pain;
  • pain in your side or lower back; or
  • pain, swelling, or irritation where the injection was given.

    • 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.

    Before taking Definity

    You should not be treated with Definity if you are allergic to Definity, polyethylene glycol or albumin.

    Tell your doctor if you have ever had:

  • a congenital heart defect;
  • a lung condition that has recently become worse; or
  • if you have ever had an allergic reaction during a blood transfusion.

    • Tell your doctor if you are pregnant or breastfeeding.

    Relate drugs

    How to use Definity

    Definity is given as an infusion into a vein. A healthcare provider will give you this injection just before the start of your echocardiogram.

    Your heart rate, breathing, blood pressure, oxygen levels, and other vital signs will be watched closely for at least 30 minutes after you receive Definity. This is to make sure you do not have an allergic reaction to the medicine.

    Warnings

    Serious side effects may occur during the injection. Tell your caregiver if you feel dizzy, nauseated, light-headed, short of breath, or if you have a severe headache, pounding in your ears, chest pain, fast or slow heartbeats, wheezing, or shallow breathing.

    You may be more likely to have a serious reaction if you have severe or uncontrolled heart problems (congestive heart failure, a recent heart attack, serious heart rhythm disorder).

    What other drugs will affect Definity

    Other drugs may affect Definity, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all your current medicines and any medicine you start or stop using.

    Disclaimer

    Every effort has been made to ensure that the information provided by Drugslib.com is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Drugslib.com information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Drugslib.com does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Drugslib.com's drug information does not endorse drugs, diagnose patients or recommend therapy. Drugslib.com's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

    The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Drugslib.com does not assume any responsibility for any aspect of healthcare administered with the aid of information Drugslib.com provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

    Popular Keywords