Risks
By Mayo Clinic staffAn intravenous pyelogram is generally safe, and complications are rare. As with any medical procedure, intravenous pyelogram does carry a risk of complications, including allergic reactions.
In some people, the injection of X-ray dye can cause side effects such as:
- A feeling of warmth or flushing
- A metallic taste in the mouth
- Lightheadedness
- Nausea
- Itching
- Hives
Rarely, severe reactions to the dye occur, including:
- Extremely low blood pressure
- A sudden, full-body allergic reaction that can cause breathing difficulties and other life-threatening symptoms (anaphylactic shock)
- Cardiac arrest
During the X-rays, you'll be exposed to low levels of radiation. The amount of radiation you're exposed to during an intravenous pyelogram is small, so the risk of any damage to cells in your body is extremely low.
However, if you're pregnant or think that you may be pregnant, tell your doctor before having an intravenous pyelogram. Though the risk to an unborn baby associated with radiation is small, your doctor may consider whether it's better to wait or to use another imaging test.
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- Intravenous pyelogram (IVP). Radiological Society of North America. http://www.radiologyinfo.org/en/info.cfm?pg=ivp. Accessed April 16, 2012.
- Post TW, et al. Radiological assessment of renal disease. http://www.uptodate.com/index. Accessed April 16, 2012.
- Intravenous pyelogram (IVP). American Urological Association Foundation. http://www.urologyhealth.org/urology/index.cfm?article=78. Accessed April 16, 2012.
- Choyke PL. Radiologic evaluation of hematuria: Guidelines from the American College of Radiology's appropriateness criteria. 2008;78:347.
- Medullary sponge kidney. National Kidney and Urologic Diseases Information Clearinghouse (NKUDIC). http://kidney.niddk.nih.gov/kudiseases/pubs/medullaryspongekidney/. Accessed May 3, 2012.


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