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Ethiodized oil (Injection)

Generic name: ethiodized oil

Brand names: Ethiodol, Lipiodol3

Last updated February 7, 2026 0 views
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Uses for ethiodized oil

Ethiodized oil (Injection) is used to help diagnose or find problems in the uterus, fallopian tubes, lymphatic vessels, and to look at tumors in adults with liver cancer. It is an oil-based radiopaque contrast agent. Contrast agents are used to help create a clear picture of the body during different medical procedures.

This medicine is to be given only by or under the direct supervision of your doctor.

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Precautions while using ethiodized oil

It is very important that your doctor check your progress closely while you are receiving this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to receive it. Blood tests may be needed to check for unwanted effects.

This medicine may cause pulmonary embolism (blood clots in the lungs). Tell your doctor right away if you have anxiety, chest pain, cough, dizziness or lightheadedness, fainting, fast heartbeat, sudden trouble breathing.

This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Tell your doctor right away if you have chest tightness, cough, difficulty swallowing, dizziness, fast heartbeat, hives, itching, skin rash, puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue, trouble breathing, or unusual tiredness or weakness after you receive this medicine.

This medicine may cause thyroid problems (eg, overactive or underactive thyroid). Check with your doctor right away if you have depressed mood, dry skin and hair, feeling cold, hair loss, hoarseness or a husky voice, muscle cramps and stiffness, nervousness, sensitivity to heat, slowed heartbeat, sweating, weight gain or loss, or unusual tiredness or weakness.

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Before using ethiodized oil

In deciding to use a diagnostic test, you and your doctor need to consider any risks of the test compared to the benefits it may provide. Other factors can also affect test results. For this test, keep the following in mind:

Allergies

Inform your doctor if you have ever had any unusual or allergic reactions to this medicine or any other medicines. Also, let your healthcare professional know if you have any other allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Studies conducted so far have not shown any specific problems in children that would limit the usefulness of ethiodized oil injection for lymphography.

Geriatric

Studies on how age affects the effects of ethiodized oil injection have not been done in older adults. However, no specific problems related to older age have been reported.

Breast Feeding

There are no adequate studies in women to determine the risk to infants when using this medication while breastfeeding. Weigh the potential benefits against the potential risks before taking this medication during breastfeeding.

Interactions with Medicines

Some medicines should not be used together at all, while in other cases, two different medicines may be used together even if an interaction might happen. In these situations, your doctor may want to adjust the dose, or other precautions may be necessary. It is especially important for your healthcare professional to know if you are taking any of the medicines listed below while receiving this diagnostic test. The following interactions are significant and not necessarily all-inclusive.

It is not recommended to receive this diagnostic test with any of the following medicines. Your doctor may decide not to use this diagnostic test or change some of the other medicines you take.

  • Metformin

Interactions with Food/Tobacco/Alcohol

Some medicines should not be taken around the time of eating food or eating certain types of food due to possible interactions. Consuming alcohol or tobacco with certain medicines may also lead to interactions. Discuss with your healthcare professional how to use your medicine with food, alcohol, or tobacco.

Other Medical Problems

Having other medical problems may affect the use of this diagnostic test. Be sure to inform your doctor if you have any other medical issues, especially:

  • Allergy to iodinated contrast agents or
  • Asthma—Use with caution. May increase the risk of allergic reactions.
  • Bleeding, recent or
  • Hyperthyroidism (overactive thyroid) or
  • Trauma—Should not be used in patients with these conditions.
  • Advanced cancer or
  • Heart problems (e.g., cardiac shunt) or
  • Advanced lung or breathing problems, or
  • Recent radiation treatment or
  • Recent surgery—Patients with these conditions should not receive Lipiodol® for lymphography.
  • Cervical problems or
  • Near or during menstrual period or
  • Pelvic disease or
  • Surgery (e.g., conization, curettage) within 30 days—Patients with these conditions should not receive Lipiodol® for hysterosalpingography.
  • Dilated bile ducts without external drainage—Patients with this condition should not receive Lipiodol® for liver tumor imaging.
  • Heart disease or
  • Liver disease or
  • Lung disease or
  • Portal hypertension (high blood pressure in the liver portal vein) or
  • Thyroid problems—Use with caution. May worsen these conditions.

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Side Effects of ethiodized oil

Along with its necessary effects, this medicine may cause some unwanted effects. Not everyone will experience these side effects, but if they do happen, they may require medical attention.

Contact your doctor or nurse right away if you experience any of the following side effects:

Incidence not known

  • Anxiety
  • bloated stomach
  • changes in vision
  • chest pain or tightness
  • cough
  • decreased frequency or amount of urine
  • depressed mood
  • difficulty with swallowing
  • dizziness or lightheadedness
  • fainting
  • fast heartbeat
  • fever
  • headache
  • inflamed tissue from infection
  • loss of appetite
  • lower back or side pain
  • muscle cramps and stiffness
  • nausea or vomiting
  • pain and fullness in the right upper abdomen or stomach
  • pain, tenderness, or swelling of the foot or leg
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • skin rash, hives, itching, or redness
  • stomach pain
  • sudden trouble breathing
  • sweating
  • swelling of the face, fingers, or lower legs
  • trouble sleeping
  • unusual tiredness or weakness
  • weight gain or loss
  • yellow eyes and skin

Some side effects may occur that usually do not need medical attention. These side effects might go away as your body adjusts to the medicine. Your healthcare professional may also have ways to prevent or lessen some of these side effects. Check with your healthcare professional if any of the following side effects continue, become bothersome, or if you have any questions about them:

Incidence not known

  • Delayed healing at the incision site
  • diarrhea

Other side effects not listed may also occur in some patients. If you notice any other effects, contact your healthcare professional.

Call your doctor for medical advice about side effects. You can report side effects to the FDA at 1-800-FDA-1088.

In the U.S.

  • Ethiodol
  • Lipiodol3

Available Dosage Forms:

  • Oil

Therapeutic Class: Diagnostic Agent, Radiological Contrast Media

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Proper use of ethiodized oil

A doctor or other trained health professional will give you this medicine in a hospital. It is given through a needle placed within the uterus, into a lymphatic vessel, or into an artery of the liver.

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.