Before performing a CT scan, please note that tests can be made differently in various hospitals. It is best to consult your physician about any necessary arrangements, including those regarding the medicine you may or may not take prior to a CT scan.
For instance, people using medicine for diabetes- like metformin, may be required to stop taking it temporarily (before the procedure). Depending on each case, the doctor can give you proper instructions about what is the best solution for the moment. Another possible situation to be taken into account by a physician is regarding kidney problems. The contrast material can worsen the functioning of the kidneys.
Overall, the doctor must be informed of the patient's medical history: heart or kidney disease, thyroid problems, allergies, recent medical conditions, surgeries and current medications.
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