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Ashby, MA
A 44-year-old female asked:

I am scheduled for a endoscopy and the next day a hida scan.i was told not to take any meds 24 hrs befor hida. will the endoscopy be ok to have first?

3 doctor answers6 doctors weighed in
Dr. Charles Cattano
Gastroenterology 39 years experience
Probably, but...: You were given very specific instructions to avoid medications 24 hours before your biliary scan. If you are planning to have your endoscopy less than 24 hours before the hida, please alert your anesthesiologist to avoid endoscopic sedatives that might alter gallbladder ; bile duct motility. If these drugs cannot be avoided, then reschedule to ensure your test(s)' best/most accurate result(s).
Dr. Brian Wosnitzer
Nuclear Medicine 18 years experience
Opioids ...: Taking opioid pain medications, particarly morphine can cause contraction of the sphincter of oddi and thus false positive result for common bile duct obstruction on hida. You also want to avoid eating 4-6 hours prior to hida scan and avoid fasting more than 24 hours before scan since this can cause false positive for cystic duct obstruction (acute cholecystitis).
Dr. Gerald Mandell
Nuclear Medicine 52 years experience
Possibly: Anesthesia and pain medications can interfere with gall bladder test.

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Last updated Nov 28, 2014

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