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Radiation sickness (also called acute radiation syndrome) happens when a person is exposed to large amounts of radiation all at once.
Exposure to small amounts of radiation—like from an X-ray or CT scan—doesn't cause any symptoms. But exposure to large amounts of radiation all at once—like from a nuclear explosion—may cause radiation sickness and death.
Symptoms of radiation sickness may include:
People who have been exposed to large amounts of radiation and have these symptoms need to see a doctor right away.
Current as of: October 24, 2023
Author: Ignite Healthwise, LLC Staff
Clinical Review BoardAll Healthwise education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.
This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.
