X-rays use a small dose of radiation to create pictures of the inside of the body.
X-rays can be taken of any part of the body. They are especially good for looking at teeth and injuries to bones.
X-rays can also be used to:
By using oral, rectal, bladder or IV contrast materials, x-rays can also used be for other reasons, including:
There are no direct complications associated with getting an x-ray. However, the effects of repeated radiation doses may build up in the body over a lifetime, increasing the risk of some cancers or thyroid problems. The risk is higher in children and women who are of childbearing age or pregnant. Protective lead aprons and collars are used to reduce radiation exposure.
Some tests and medical treatments cannot and should not be avoided. Talk to your dentist and doctor about the risks and benefits associated with the x-ray.
Before your x-ray is taken, you may be asked to remove jewelry and put on a hospital gown.
Let your doctor know if you are or may be pregnant.
You may be given a type of contrast material.
A lead shield may be placed on parts of your body that are not being x-rayed. This will help reduce your exposure to radiation.
The x-ray device will be placed over the part of your body being studied. You will be asked to remain as still as possible while the images are taken. The x-ray device will send x-rays through your body. The x-rays will be captured on the other side of your body by a computer or on film.
Food and Drug Administration
Radiology Info—Radiological Society of North America
Canadian Association of Radiologists
Canadian Institute for Health Information
Patient safety: radiation dose. Radiological Society of North America Radiology Info website. Available at: http://www.radiologyinfo.org/en/safety/index.cfm?pg=sfty_xray&bhcp=1. Accessed. Updated August 10, 2014. Accessed March 21, 2016.
Reducing radiation from medical x-rays. Food and Drug Administration website. Available at: http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm095505.htm. Accessed March 21, 2016.
X-ray (radiography). Radiological Society of North America Radiology Info website. Available at: http://www.radiologyinfo.org/en/submenu.cfm?pg=xray. Accessed March 21, 2016.
X-rays. American Dental Association Mouth Healthy website. Available at: http://www.mouthhealthy.org/en/az-topics/x/x-rays. Accessed March 21, 2016.
Last reviewed March 2017 by EBSCO Medical Review Board Michael Woods, MD, FAAP
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.