Iomeron (Iomeprol)

• Iomeron (iomeprol) is employed in diagnostic radiographic procedures that require enhanced vascular and tissue contrast.
• Angiography: provides clear visualization of blood vessels and improves detection of vascular lesions.
• CT imaging: enhances delineation of anatomical structures and pathology during computed tomography scans.
• Urography: improves contrast of the urinary tract, aiding in the identification of stones, tumors, and structural abnormalities.

• Iomeprol contains high‑density iodine atoms that absorb X‑ray photons, increasing attenuation of the X‑ray beam. After intravenous or intra‑arterial administration, the agent distributes rapidly within the extracellular fluid and remains largely within the vascular compartment during the imaging window. The heightened attenuation creates a marked difference between enhanced and non‑enhanced tissues, allowing radiologists to distinguish anatomical details and pathological changes with greater clarity.

Iomeron may be associated with a range of adverse reactions, ranging from mild and transient to severe.

Common Side Effects

• Warmth or flushing sensation during injection.
• Metallic taste in the mouth.
• Mild nausea or vomiting.
• Headache.
• Transient itching or urticaria.
• Mild hypotension.

Serious or Rare Side Effects

• Anaphylactic or severe allergic reaction.
• Acute kidney injury, especially in patients with pre‑existing renal impairment.
• Severe hypotension or cardiovascular collapse.
• Pulmonary edema.
• Persistent severe skin reactions such as Stevens‑Johnson syndrome.
• Thyroid dysfunction due to iodine load.

Prior to administering Iomeron, clinicians should observe several precautionary measures to minimize risk.

• Assess renal function: evaluate serum creatinine and eGFR before use.
• Review allergy history: identify prior reactions to iodinated contrast agents.
• Ensure adequate hydration: encourage fluid intake or intravenous hydration when appropriate.
• Discontinue metformin in at‑risk patients: hold metformin in those with impaired renal function.
• Monitor thyroid status: consider thyroid function tests in patients with known thyroid disease.
• Store at ambient temperature: keep in original container, protect from light and moisture.

Iomeron can interact with certain medications and substances, affecting safety or efficacy.

Major Interactions (Avoid)

• Metformin: risk of lactic acidosis in patients with reduced renal clearance.
• Thyroid hormone preparations (levothyroxine, liothyronine): excess iodine may alter thyroid hormone levels.
• Radiopharmaceuticals: iodine load can interfere with uptake of certain nuclear imaging agents.

Moderate Interactions (Monitor Closely)

• ACE inhibitors or ARBs: may increase risk of contrast‑induced nephropathy.
• Diuretics: can exacerbate renal impairment when combined with contrast.
• Non‑steroidal anti‑inflammatory drugs (NSAIDs): may heighten renal toxicity.
• Calcium channel blockers: monitor blood pressure as contrast may cause hypotension.