Help Center

Find answers and preparation instructions for your procedures.

COLONOSCOPY PREPARATION

Supplies You Will Need From Your Pharmacy

  • 1 Gallon of Golytely (Prescription)
  • 1 Bottle of Simethicone 5mL (No Prescription)
  • 1 Tablet of Bisacodyl 5mg (Prescription)

ONE DAY BEFORE THE EXAM

  • DO NOT eat solid food
  • Drink only clear liquids:
    • Broth (no food)
    • Water
    • 7-Up
    • Apple or orange juice (no pulp)
    • Orange/yellow Gatorade
    • Jell-O (no red, green, blue, purple)
    • Black coffee
  • DO NOT drink milk or dairy products

At 11:00 AM

  • Mix Golytely with Simethicone and refrigerate

At 4:00 PM

  • Drink 8oz every 10 minutes. Finish 3 liters in 2 hours
  • Refrigerate the remaining 1 liter

At 6:00 PM

  • Take Bisacodyl 5mg tablet

DAY OF THE EXAM

  • Drink the remaining 1 liter 4 to 5 hours before your appointment
  • DO NOT eat, drink, or smoke
  • Take your high blood pressure medicine with a sip of water
  • DO NOT take diabetes medication or inject insulin
  • Bring:
    • Photo ID
    • Insurance card
    • Medication list
  • You will not be allowed to drive. A responsible adult must accompany you.

ENDOSCOPY PREPARATION

DAY OF THE EXAM

  • DO NOT drive to your appointment
  • Your stomach must be completely empty:
    • No breakfast
    • No water
    • No smoking
  • After midnight (12 AM):
    • DO NOT eat or drink anything
    • DO NOT smoke

Important Notes

  • A responsible adult must accompany you home
  • Bring all medications, insurance card, and ID
  • DO NOT take aspirin or blood thinners 3 days prior to exam
  • If you can't attend, notify 48 hours in advance or there will be a $100 fee
  • High blood pressure medication must be taken 2 hours before the procedure with a sip of water

MEDICATION GUIDE

You may need to stop certain medications before your procedure. Please follow these general guidelines:

Antiplatelet Medications (Stop as directed):

  • Aspirin (Aggrenox) – Stop 3 days before
  • Clopidogrel (Plavix) – Stop 5 days before
  • Ticlopidine (Ticlid) – Stop 3 days before
  • Dipyridamole (Aggrenox) – Stop 3 days before
  • Cilostazol (Pletal) – Stop 5 days before

Anticoagulants (Blood Thinners):

  • Warfarin (Coumadin) – Stop 3 days before
  • Heparin – Stop 6 hours before
  • Pradaxa (Dabigatran) – Stop 3 days before
  • Xarelto (Rivaroxaban) – Stop 3 days before
  • Brilinta (Ticagrelor) – Stop 5 days before
  • Eliquis (Apixaban) – Stop 3 days before
  • Lovenox – Stop 5 days before

Diabetes and Weight-Loss Medications:

  • Ozempic / Wegovy / Mounjaro / Trulicity / Rybelsus / Victoza – Hold for 1 week
  • Phentermine – Hold for 2 weeks

💬 Important: Always check with your doctor before stopping any medication. If you are unsure, please call our office for personalized instructions.

Our Offices

Gastroenterology Diagnostic Center - Monterey Park

880 South Atlantic Blvd, G-10
Monterey Park, CA 91754

Phone: (626) 284-1350

Huntington Park Office

3400 East Florence Avenue S A
Huntington Park, CA 90035

Phone: (626) 284-1350

Monterey Park Office

850 S Atlantic Blvd, S 101
Monterey Park, CA 91754

Phone: (626) 284-1350

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