Does gastrointestinal contrast medium have harm to the body

Gastrointestinal contrast agents are generally harmless to the body, but some subjects may be allergic to gastrointestinal contrast agents.

Gastrointestinal contrast agents are a method of gastrointestinal disease examination under conventional X-ray fluoroscopy, which has the advantages of safety and non-invasiveness. If it is reasonably used under the guidance of a doctor, there will usually be no obvious side effects and hazards. However, some subjects may be allergic to gastrointestinal contrast agents. After exposure, they may easily cause allergic reactions, nausea, vomiting and other symptoms, but they can be relieved and recovered after treatment. There is no need to worry too much.