Gadopentetic acid
Also known as: Magnevist
This medication is a contrast dye used during **MRI scans** to help your veterinarian clearly see abnormal tissues, blood vessels, or inflammation. It is given directly into a vein. Side effects are rare but can include mild irritation at the injection site or allergic reactions.
Dosage must be set by your veterinarian for your specific pet. Never give human medication or another pet’s prescription without veterinary guidance.
What it is used for
- MRI examination (CNS, whole body)
How it is given
Possible side effects
- Nephrogenic systemic fibrosis (reported in humans)
- Prolonged QT interval
- Arrhythmias
- Tissue irritation and necrosis if extravasated
- Anaphylaxis (rare, 0.001%-0.01% in humans)
- Transient increase in serum bilirubin
Cautions & contraindications
- Severe renal impairment
- > **Warning:** Hyper-osmolar and irritant if extravasation occurs; must be administered through an intravenous catheter. > Use with caution in cardiac disease, pre-existing renal disease, and neonates. > May cause false alterations in serum iron determination using complexometric methods.
Drug interactions
- Class 1a antiarrhythmics: Potential interaction affecting cardiac rhythm
- Class 3 antiarrhythmics: Potential interaction affecting cardiac rhythm
Frequently asked questions
What is Gadopentetic acid used for in pets?
This medication is a contrast dye used during **MRI scans** to help your veterinarian clearly see abnormal tissues, blood vessels, or inflammation. It is given directly into a vein. Side effects are rare but can include mild irritation at the injection site or allergic reactions.
Is Gadopentetic acid safe for my pet?
Dosage must be set by your veterinarian for your specific pet. Never give human medication or another pet’s prescription without veterinary guidance.
This article is for general education and is not a substitute for professional veterinary advice. If your pet is unwell, please consult a veterinarian.
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