Why does radiation therapy make feel sick?

radiotherapy tolerance tests

Radiation therapy may cause nausea or vomiting due to acute toxicities that may appear during treatment. Vomiting is observed especially during:

1 – ENT irradiation(oral cavity and pharynx), thoracic irradiation (esophagus), or abdominal irradiation (stomach or duodenum) due to inflammation of the mucous membranes (mucositis) through which the food passes

2 – Brain irradiation due to intracranial hypertension caused by the inflammation around the lesions.

Nausea/vomiting can be easily managed with anti-nausea drugs.

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Team NovaGray

NovaGray develops radiotherapy tolerance tests for breast and prostate cancer patients. NovaGray's mission is to help personalize cancer treatment by assessing each patient's individual sensitivity before starting radiotherapy. NovaGray technology has been validated by multi-center prospective clinical trials. NovaGray tests are recommended by the French Society of Radiation Oncology (SFRO).