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The Endoscopy Center, Inc.:

(605) 721-8121

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Address :

2820 Mt. Rushmore Road
Rapid City, SD 57701

Medication Information

If you are on a blood thinning or weight loss medication, please inform the Scheduling Department at (605) 721-5400 right away if you have not done so already.

Five (5) days prior to your procedure, stop taking iron, fiber supplements and medication for erectile dysfunction (Cialis/Viagra).

The use of GLP-1 agonists carries an increased risk of delayed gastric emptying and complications from anesthesia. For this reason, medication adjustments are necessary. These medications include (but are not limited to): Dulaglutide (Trulicity), Exenatide (Byetta), Exenatide Extended Release (Bydureon BCise), Liraglutide (Victoza, Saxenda), Lixisenatide (Adlyxin), Semaglutide (Wegovy, Ozempic, Rybelsus), and Tirzepatide (Mounjaro).

Patients on weekly dosing should NOT take the dose prior to procedure and NOT take it for at least 7 days before procedure.
Patients on daily dosing should not take it starting the day before procedure.
Please consult with your prescribing physician if you have questions.

On the day of your procedure, please take your prescription medications unless instructed by the nurse to hold them. Do not take your vitamins or supplements the morning of your procedure.


Blood Thinners

The following medications need to be held prior to a colonoscopy. The scheduling nurse will contact your prescribing physician for orders to hold your medication and then contact you with instructions.

  • Coumadin
  • Xarelto
  • Brilinta
  • Heparin
  • Effient
  • Plavix
  • Pradaxa
  • Aggrenox
  • Eliquis

Weight Loss

The following medications need to be held prior to a colonoscopy. Please contact your prescribing physician to determine if tapering instructions are needed.

  • Phentermine (7 days)
  • Contrave (24 hours)
  • GLP-1 Agonists (up to 7 days prior, see above)


If you are on diabetic medications, contact your prescribing physician for detailed medication adjustments specifically for you.



If you are taking Aspirin 325mg, decrease dose to 81mg five (5) days prior to your procedure.

Hold Aspirin, Aspirin-containing medications, and NSAIDS the morning of your procedure. Tylenol or ES Tylenol is ok to take prior to your procedure. Examples of aspirin containing medications/NSAIDS include:

  • Ibuprofen
  • Empirin
  • Ecotrin
  • Bufferin
  • Ascriptin
  • Motrin
  • Advil
  • Meloxicam
  • Medipren
  • Nuprin
  • Naproxen
  • Naprosyn
  • Aleve
  • Sulindac
  • Clinoril
  • Piroxicam
  • Feldene
  • Indomethacin
  • Indocin
  • Diclofenac
  • Voltaren
  • Alka Seltzer
  • Percodan