Magnetic Resonance Imaging
Medically reviewed by Drugs.com. Last updated on May 4, 2025.
Magnetic resonance imaging (MRI) is a test that uses magnetic fields and radio waves to take pictures inside your body. An MRI is used to see blood vessels, tissue, muscles, and bones. It can also show organs, such as your heart, lungs, or liver. An MRI can help your healthcare provider diagnose or treat a medical condition. It does not use radiation.
DISCHARGE INSTRUCTIONS:
Call your local emergency number (911 in the US) if:
- You have signs of an allergic reaction to contrast liquid. Examples include trouble breathing, mouth or face swelling, and fainting.
Return to the emergency department if:
- You are dizzy or feel faint.
- You have a rash, itching, or swollen skin.
- You have nausea or are vomiting.
- You are suddenly urinating less than usual.
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Call your doctor if:
- You have questions or concerns about your condition or care.
Drink liquids as directed:
Liquids will help flush the contrast liquid out of your body. Ask how much liquid to drink after your MRI, and which liquids to drink.
Follow up with your doctor as directed:
Write down your questions so you remember to ask them during your visits.
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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.
Further information
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