Iopromide

Quick links to important sections

Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Iopromide

Quick Facts

Property Description
Active ingredient Iopromide
Form Sterile Aqueous Solution (Injection)
Pharmacological class Diagnostic X-ray Contrast Agent
Common use Radiographic Visualization
Origin Synthetic (Organoiodine compound)

Iopromide is a specialized Diagnostic X-ray Contrast Agent used exclusively as a diagnostic aid in medical imaging procedures to enhance the visibility of internal structures. It is chemically defined as a nonionic, low osmolar contrast agent and belongs to the wider pharmacological class of Iodinated Contrast Media (ICM). Its function is purely to facilitate accurate diagnosis, not to provide therapeutic treatment for any condition.


What Type of Medicine is Iopromide?

Iopromide is classified as a synthetic, single-ingredient compound essential for contrast-enhanced imaging. It is used for enhanced contrast in radiological procedures involving the visualization of various systems, including angiography, venography, and computed tomography, to assist in the clear visualization of vessels and organs. The active ingredient, Iopromide, is a synthetic tri-iodinated organoiodine compound formulated as a sterile aqueous solution intended for intravascular injection. This designation as a nonionic substance reflects a chemical design intended to optimize the compound's physical properties within the body's circulation, representing a key differentiating factor from older, ionic contrast media.

General Purpose: Why is Iopromide Used?

The general purpose of Iopromide is to enable the radiographic visualization and contrast enhancement of structures that are normally indistinct on standard X-ray assessments. The compound contains iodine, an element with a high atomic number that causes it to strongly absorb X-ray photons. This mechanism creates a temporary, distinct density difference between the opacified structures, such as blood vessels, and the surrounding tissues. These iodine-containing properties are designed to temporarily highlight parts of the body during X-ray procedures, allowing healthcare professionals to obtain the detailed diagnostic images needed for the evaluation of internal anatomy.

Regulatory References

  1. European Public Assessment Report (EPAR) definition
  2. MedlinePlus
  3. ULTRAVIST (Iopromide) Injection - DailyMed

What side effects are possible with Iopromide?

Iopromide: Possible Side Effects and Safety Information

Iopromide is an injectable contrast agent generally considered to have a favorable safety profile; however, like all medications, it carries a risk of side effects, which range from common and mild to rare and serious.


Common Side Effects (May affect more than 1 in 100 people)

The most frequently reported side effects are usually brief and mild. They include:

  • Headache
  • Nausea and Vomiting
  • Injection site reactions (e.g., pain, redness, or warmth at the infusion site)
  • Vasodilation (feeling of warmth or flushing)
  • Abnormal vision or change in taste
  • Back pain
  • Urinary urgency

Serious Safety Information and Rare Side Effects

Though rare, certain side effects require immediate medical attention, as they can be life-threatening. Tell your healthcare provider right away if you experience any of the following:

  • Severe Allergic Reactions (Anaphylaxis): Signs include difficulty breathing, hives, swelling of the face, lips, tongue, or throat, or sudden severe dizziness.
  • Acute Kidney Injury: May be indicated by a significant decrease in the amount of urine or swelling in the feet or ankles. This risk is higher in patients with pre-existing kidney problems, diabetes, or dehydration.
  • Cardiovascular Events: In rare cases, the injection can be associated with heart attack, stroke, or blood clotting issues.
  • Severe Cutaneous Adverse Reactions (SCARs): These are serious skin conditions, such as Stevens-Johnson Syndrome (SJS) or Toxic Epidermal Necrolysis (TEN), which can begin hours or weeks after administration and involve a painful rash, blistering, or peeling skin.
  • Thyroid Dysfunction: In children, especially those aged 0 to 3 years, iopromide can cause hypothyroidism (underactive thyroid), requiring close monitoring of thyroid function.

Important Warning: Iopromide is for intravenous or intra-arterial use only. Inadvertent injection into the spinal space (intrathecal use) is strictly contraindicated and can cause severe complications, including death.

Overdose and Emergency Response

Overdose and When to Seek Help

The following information is derived from official regulatory documents concerning Iopromide overexposure or severe adverse events.


Documented Manifestations and Outcomes

Classification Officially Documented Manifestations
Severe Neurological & Systemic Convulsions, seizures, coma, paralysis, cerebral hemorrhage, brain edema, rhabdomyolysis.
Life-Threatening Cardiorespiratory Cardiac arrest, respiratory arrest, ventricular fibrillation, hypotension, pulmonary edema.
Organ Dysfunction Acute Renal Failure (Acute Kidney Injury).

Regulator-Mandated Emergency Actions

Immediate actions are required for signs of severe toxicity or life-threatening reactions:

  • Seek immediate medical attention for severe or life-threatening hypersensitivity or anaphylactoid events.
  • The administration must be interrupted immediately upon the appearance of signs of incipient shock or severe symptoms.
  • Emergency resuscitation equipment and trained personnel must be available for immediate intervention.

Management of Iopromide overexposure is defined as symptomatic and supportive treatment. No specific antidote is officially documented. Certain patient populations, including the elderly and those with pre-existing renal impairment or heart failure, have a documented increased risk for severe outcomes, such as Acute Kidney Injury.

Therapeutic Uses of Iopromide

What Iopromide Treats: Main Uses and Benefits

Iopromide is relevant in areas where short-term symptom management is appropriate. It provides support that helps ease the overall burden of symptoms. This medicine is generally used in clinical settings that involve acute or unstable symptom patterns.


Addressing Structural and Systemic Strain

Iopromide is applied across domains where additional symptomatic support is needed. It is relevant in contexts marked by increased discomfort or tension. The medicine may assist with identifying structural abnormalities. This is helpful in situations requiring additional symptomatic assistance when symptoms intensify and supportive relief is needed.


Supporting Functional Stability

Iopromide plays a role in managing conditions characterized by periods of heightened symptoms. It is used when symptoms create noticeable physiological strain. This assists in addressing conditions associated with acute or disruptive episodes and assists with maintaining functional stability. It is applied when appropriate when groups of symptoms appear suddenly or fluctuate.


Quick Fact: Support During Heightened Symptoms
Iopromide is considered relevant for managing symptom clusters that interfere with daily comfort when short-term symptomatic assistance is needed during periods of increased discomfort.

Patient-Oriented Benefit

The medication is relevant for managing symptom clusters that interfere with daily comfort, particularly in conditions where symptoms may intensify temporarily. The use of Iopromide helps maintain a sense of stability when symptoms are more noticeable and supports general well-being during symptomatic phases.

Eligibility and Restrictions for Use

Who Can and Cannot Use Iopromide?

Eligibility for Iopromide is strictly determined by official regulatory guidelines, focusing on administration route, age, and pre-existing medical conditions.


Absolute Prohibitions (Contraindications)

Condition/Use Regulatory Status
Intrathecal Administration (Spinal Injection) Strictly Contraindicated
Manifest Hyperthyroidism Contraindicated (Risk of Thyroid Storm)
Preparatory Dehydration in Pediatrics Contraindicated (Risk of Acute Renal Failure)

Age and Comorbidity Restrictions

Iopromide is established for use in adults and pediatric patients 2 years of age and older. Its safety and efficacy are not established for children under 2 years. Patients with compromised organ function require special precautions.

  • Renal Impairment: Use requires caution, and the lowest necessary dose should be administered, as pre-existing kidney issues increase the risk of contrast-induced acute kidney injury (AKI).
  • High-Risk Conditions: Caution is required for patients with multiple myeloma, pheochromocytoma, and sickle cell disease due to officially recognized complication risks.

Pregnancy and Lactation

Use during pregnancy is recommended only if clearly needed. For lactation, a woman may consider interrupting and discarding breast milk for 12 to 24 hours after administration to minimize infant exposure.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Iopromide is a diagnostic contrast agent that is minimally metabolized, meaning its interaction profile is primarily defined by pharmacodynamic effects and procedural constraints, rather than metabolic enzyme pathways.

Clinically Significant Interactions

Interacting Substance/Class Nature of Interaction
Biguanides (Metformin) Increased risk of lactic acidosis if Iopromide use leads to a decrease in kidney function and subsequent Metformin accumulation.
Interleukin-2 (Aldesleukin) Increased prevalence and severity of delayed hypersensitivity or anaphylactoid reactions.
Nephrotoxic or Diuretic Medications Increased risk of Acute Kidney Injury (AKI), particularly in patients with pre-existing risk factors.
Radioactive Iodine Iopromide temporarily interferes with thyroid uptake of the radioisotope, reducing its diagnostic or therapeutic efficacy for up to several weeks.

Procedural and Timing Constraints

Metformin must be managed around the time of Iopromide administration. In specific patient populations (e.g., those with reduced kidney function), Metformin is required to be withheld at the time of or prior to the procedure and for at least 48 hours afterward, to be restarted only after kidney function is confirmed as stable.

Iopromide should not be mixed in the same intravenous line with other drugs or total nutritional admixtures due to the risk of physical or chemical incompatibility. In pediatric patients, preparatory dehydration procedures, such as prolonged fasting or laxatives, are contraindicated.

Mechanism of Action

How Iopromide Works

Iopromide is a non-ionic, iodinated contrast agent that functions through a purely physical mechanism of action.

X-ray Attenuation by Iodine Atoms

Iopromide acts by exploiting the high atomic number of its constituent iodine atoms. This high-density element causes strong absorption and attenuation of X-ray photons as they pass through the body. The resulting differential X-ray signal creates a temporary area of high visual contrast (opacification), which provides sufficient contrast for external detection.

Distribution and Elimination

Upon injection, Iopromide is designed to remain primarily within the extracellular fluid space and the circulatory system, exhibiting minimal protein binding or cellular uptake. The agent rapidly enters and exits the target physiological systems without initiating specific biochemical or signaling cascades. Iopromide is not metabolized and is eliminated almost entirely unchanged through glomerular filtration by the kidneys. This mechanism of elimination ensures the compound is quickly cleared, resulting in a short-lived physical density alteration in the targeted structures.

Dosage and Administration Information

Instruction Map: How to Use Iopromide

Iopromide is a specialized diagnostic agent used as a sterile solution in a clinical setting under professional supervision. Its use is standardized to ensure precise administration during medical imaging procedures.


Administration Scope

Item Administration Instruction
Route of Administration Intra-arterial (IA) or Intravenous (IV) injection only. The compound is strictly not for intrathecal use.
Dosing Schedule Dosing is highly individualized based on the specific procedure (e.g., CT, angiography) and patient factors. The adult cumulative dose should not exceed 86 grams of iodine for the entire examination.
Timing in Relation to Meals Not applicable, as administration is tied to the timing of the diagnostic procedure.
Preparation Requirements The solution must be visually inspected and warmed to body temperature just prior to injection to improve flow and patient comfort.
Age-Group Administration Rules Dosing for pediatric patients aged two years and older is weight-based ( mL/kg), with specific maximum cumulative volumes established for IV and IA procedures.
Missed-Dose Rules Not applicable, as Iopromide is a single-use agent administered once per diagnostic session.
Special Procedural Conditions Patients should be adequately hydrated both prior to and following administration. The injection must not be mixed with other medications or total nutritional admixtures in the same IV line.

Instruction Classifications (High-Level)

Item Classification
Administration Method Type Intravascular Injection (IV/IA)
Frequency Pattern Single-use per diagnostic session
Clinical Basis Established clinical protocols and professional standards
Use-Context Constraints Administration must occur under the supervision of a trained healthcare professional in a controlled clinical environment.

Resulting Procedural Structure

Procedural step sequence:

  • Preparation of the specific concentration (e.g., 300 mgI/mL) and warming to body temperature.
  • Individualization and calculation of the dose volume based on the procedure and patient weight.
  • Administration via the approved route (IV or IA) as a single bolus or rapid infusion.
  • Monitoring of total volume to remain within established limits.

Connection to the overall use protocol: The instructions define Iopromide's use as a precise, single-administration event, rather than an ongoing treatment regimen. These rules ensure that the volume and concentration delivered are meticulously tailored to the specific imaging procedure and vessel requirements, maintaining a standardized clinical approach.

Recent Clinical Evidence

Research evidence / Overview of studies for Iopromide

Evidence for use in Angiography and Arteriography

Iopromide has been studied for its use in imaging blood vessels throughout the body, a process often referred to as angiography or arteriography. Research explored how this contrast agent performs when used to visualize the blood flow and internal structures of major vessels. Studies focused on examining the agent's ability to provide a clear picture that was monitored in studies. Findings describe patterns observed in these studies, where Iopromide was evaluated for its potential to help outline the internal structures of blood vessels. The data show patterns related to visibility during the study period across a range of procedures where blood flow assessment was monitored.


Evidence for use in Computed Tomography (CT) and Contrast Mammography

Studies explored the use of Iopromide as an enhancement agent for Computed Tomography (CT) scans of the head and body. Research monitored how the agent travels through the body and the resulting changes in the appearance of various organs and tissues during the scan. Its role was also evaluated as an adjunct in contrast-enhanced mammography (CEM) for specific diagnostic purposes. Research examined changes measured during the study period, suggesting Iopromide was observed in studies where it may affect the visibility of certain tissues or areas during CT scans. Evidence suggests Iopromide was evaluated in contrast mammography. Certainty remains low for fully assessing its performance in all possible diagnostic scenarios.


What is still uncertain about Iopromide

The evidence highlights what is known—and what is still uncertain—regarding the use of Iopromide. Evidence is limited primarily in areas concerning long-term follow-up beyond the diagnostic period, as the agent is quickly eliminated. Comparative evidence is lacking against every alternative agent for all approved uses. While studies explored its use, findings were mixed or inconclusive on the exact best method of use in studies for certain specific diagnostic goals. Data for certain sensitive groups, such as very young children or populations with rare comorbid conditions, remain insufficient. Research is ongoing to address these specific gaps and contribute to the broader evidence landscape.

Frequently Asked Questions (FAQ)

Common questions about Iopromide (FAQ)

Q: What are the main differences between Iopromide and other common contrast agents?

Iopromide is an iodine-based agent used for imaging procedures like X-rays, Computed Tomography (CT), and contrast-enhanced mammography. Official information indicates that this agent works to enhance image contrast during these specific modalities. By comparison, agents like Gadolinium are typically used for Magnetic Resonance Imaging (MRI), which relies on a different mechanism of visualization.

Q: Can Iopromide be used for both CT and MRI scans?

According to official product labeling, Iopromide is indicated for use in enhancing images from Computed Tomography (CT) scans and angiographic procedures. It is not indicated for use in Magnetic Resonance Imaging (MRI). MRI scans generally utilize different types of contrast agents.

Q: How long does it take for Iopromide to leave the body completely?

Iopromide is not metabolized and is eliminated quickly by the kidneys. Official pharmacokinetic data indicates that the main elimination half-life is approximately 2 hours in healthy young adults. This figure is often described as meaning the agent is largely cleared from the body within one day following the procedure.

Q: What are the general signs of an allergic reaction to Iopromide?

Reactions can occur and range from mild to severe. Mild signs may include hives (urticaria), rash, or itching (pruritus). Official safety information stresses that severe reactions can include difficulty breathing, sudden severe dizziness, or swelling of the face, lips, or throat, which are considered signs of a severe reaction that should be immediately reported to the healthcare provider.

Q: What are the risks of using Iopromide for people with known kidney issues?

Official warnings indicate that caution is required in patients with pre-existing kidney issues. This is due to an increased risk of Acute Kidney Injury (AKI). The regulatory documents describe a principle where the lowest necessary dose is used in patients with renal impairment.

Q: Is Iopromide safe for use in children or infants?

Official guidelines confirm the agent is established for use in pediatric patients 2 years of age and older. The safety and effectiveness are not established for infants under 2 years old. Furthermore, official information notes a risk of thyroid dysfunction (hypothyroidism) in children aged 0 to 3 years, and for which monitoring is recommended.

Q: What do official guidelines say about Iopromide use during pregnancy or breastfeeding?

Regulatory documents state that use during pregnancy is recommended only if clearly needed. Official guidelines suggest a woman may interrupt and discard breast milk for 12 to 24 hours after administration to minimize potential infant exposure.

Q: Is Iopromide known to affect the function of the thyroid gland?

Official information confirms that the drug is contraindicated (absolutely prohibited) in patients with manifest hyperthyroidism due to potential risks. Additionally, a risk of hypothyroidism (underactive thyroid) is noted in young children (0-3 years) following administration.

Q: Is it recommended to drink extra water after receiving Iopromide?

According to the official instructions, patients should be adequately hydrated both before and following administration of the contrast agent. This procedural requirement is intended to help the kidneys promptly clear the agent from the body.

Q: Is Iopromide considered safe for people with diabetes?

Regulatory documents state that caution is required in patients with diabetes who also have renal insufficiency (poor kidney function). This specific combination is noted to increase the risk of Acute Kidney Injury (AKI).

Q: Does receiving Iopromide require any special preparation beforehand?

Preparation involves ensuring adequate hydration before the procedure. Official guidelines also indicate that a physician may need to manage the timing of certain medications, such as temporarily withholding Metformin, depending on your kidney function.

Q: Is Iopromide the same drug as the brand Ultravist?

Official labeling and product information confirm that Ultravist is the registered brand name for the active ingredient Iopromide.

Q: Is it normal to have a temporary metallic or strange taste immediately after injection?

A temporary change in taste (or dysgeusia) is listed as a common adverse reaction in official product information. This sensation is often described by patients as a metallic taste that occurs immediately following the injection.

Q: Do the side effects of Iopromide happen immediately or can they be delayed?

Official safety information indicates that side effects can occur at different times. Some common effects like flushing and nausea occur immediately during or shortly after the injection. However, severe skin reactions can be delayed for hours or even weeks after the procedure.

Q: What is the half-life of Iopromide in healthy adults?

The half-life refers to the time it takes for half of the drug to be eliminated from the body. Official pharmacokinetic data indicates that the main elimination half-life is approximately 2 hours in healthy young adults.

Q: What does the research say about Iopromide's safety profile specifically in the elderly population?

Regulatory documents state that specific problems related to the elderly population have not been demonstrated. However, caution is still required because older adults have an increased likelihood of reduced kidney function, which is a factor in clearing the contrast agent.

Q: Are people with a history of shellfish or food allergies at a higher risk with Iopromide?

Official safety clarifications indicate that a history of shellfish or food allergy is not generally associated with an increased risk of having an allergic reaction to this iodinated contrast agent.

Q: What type of general pre-screening is usually performed before I can receive Iopromide?

Official guidelines emphasize pre-screening before administration. This typically involves an assessment of kidney function, a review of your allergy history, and checking for certain medical conditions like hyperthyroidism or asthma.

Q: What is the general patient expectation regarding sensations during the Iopromide injection?

Patients commonly report a feeling of warmth or flushing (vasodilation) that passes quickly. Official safety data also lists potential reactions at the injection site such as temporary pain or redness.

Q: Is it possible to receive Iopromide if I have severe asthma or lung conditions?

Regulatory documents advise caution for patients with a history of asthma or allergy. These individuals are considered to be at an increased risk for hypersensitivity reactions, and this condition requires careful assessment by the healthcare team before administration.

How should Iopromide be stored and disposed of?

Storage and Handling Conditions for Iopromide

Iopromide (Ultravist) must be stored at controlled room temperature, between 20 C to 25 C (68 F to 77 F). The solution must be kept in its original container to protect it from light. It is strictly required that the medicine not be frozen, as this can cause crystallization. The solution must always be visually inspected for particulate matter or discoloration before use.

Container Type Post-Puncture Discard Rule
Single-Dose Vial Discard any unused portion immediately after use.
Imaging Bulk Package Must be discarded 10 hours after the closure is first entered.

All Iopromide products must be kept out of the reach of children. Disposal of unused or expired product must follow official institutional and local regulations for pharmaceutical waste.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

Available in countries:

Equivalent of Iopromide found in:

A-Z Index: