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