Iohexol

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Iohexol

Iohexol (pronounced eye-oh-hex-ol) is a non-ionic, water-soluble radiographic contrast agent used in various medical imaging procedures.

Etymology

The term "Iohexol" is derived from its chemical structure, which includes iodine (Io) and hexol, a type of alcohol.

Usage

Iohexol is primarily used in radiology to enhance the visibility of blood vessels and organs during Computed Tomography (CT) scans, X-ray imaging, and angiography. It is also used in myelography, a diagnostic procedure that uses a contrast agent to visualize the spinal cord and nerve root canals.

Pharmacology

Iohexol is a non-ionic contrast agent, meaning it does not dissociate into charged particles in solution. This property makes it less likely to cause adverse reactions compared to ionic contrast agents. Once injected, Iohexol circulates in the bloodstream and is excreted unchanged by the kidneys.

Side Effects

Like all medications, Iohexol can cause side effects. Common side effects include nausea, headache, and a warm sensation at the injection site. Serious side effects are rare but can include allergic reactions, kidney damage, and disturbances in heart rhythm.

Related Terms

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