Comparative Pharmacology
Head-to-head clinical analysis: IOHEXOL versus LIQUID E Z PAQUE.
Peer-Reviewed Evidence
Head-to-head clinical analysis: IOHEXOL versus LIQUID E Z PAQUE.
IOHEXOL vs LIQUID E-Z-PAQUE
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Non-ionic, water-soluble, iodinated contrast agent that increases the radiopacity of vascular structures and body cavities, allowing visualization during radiographic procedures. It does not bind to serum proteins and is rapidly distributed in extracellular fluid.
Barium sulfate is a radiopaque agent that coats the mucosal surface of the gastrointestinal tract, attenuating X-rays and providing contrast on imaging studies.
Intravenous: 300-370 mg iodine/kg (0.3-0.37 mL/kg of 300 mg I/mL solution) for contrast imaging; typical range 15-150 mL per procedure depending on examination. Intra-arterial: Doses vary by procedure, typically 1-10 mL total. Do not exceed 3 mL/kg total dose.
Oral: 25-50 mL (barium sulfate 60% w/v) as a single dose for upper GI series; for double-contrast studies, 100-200 mL (barium sulfate 250% w/v) as a single dose. Rectal: For barium enema, 200-300 mL of a 15-20% w/v suspension instilled via enema tube.
None Documented
None Documented
Clinical Note
moderateIohexol + Metformin
"The risk or severity of adverse effects can be increased when Iohexol is combined with Metformin."
Terminal elimination half-life approximately 2-3 hours in patients with normal renal function. In patients with severe renal impairment (CrCl <30 mL/min), half-life may be prolonged up to 30-60 hours, necessitating dose adjustment or avoidance.
Not applicable (non-systemic agent); plasma half-life not clinically relevant.
Primarily renal via glomerular filtration; 90-100% of administered dose excreted unchanged in urine within 24 hours. Less than 2% excreted in feces. Biliary excretion negligible (<1%).
Primarily fecal (oral route, unabsorbed); negligible renal excretion (<1% as intact drug).
Category C
Category C
Radiocontrast Agent
Radiocontrast Agent