• 1. If you are taking antiplatelet drugs (Aspirin, Plavix, Pletal, etc.) and anticoagulants(Warfarin, Coumadin, Heparin, etc.) for
      any cardiovascular or cerebrovascular disease, make sure you consult with the doctor who prescribed the drugs and
      suspend it 5 days before the examination. However, for any high blood pressure or cardio drugs which were approved by
      the doctor, please take them with a small amount of water early in the morning on the day of the examination.
• 2. If you are taking cardio drugs (surgical history, stent implanted, wearing a pacemaker, etc.), immunosuppressants,
      or liver cirrhosis drugs, you must consult with your doctor before the examination.
• 3. You would have hypoglycemia due to fasting, please do not take diabetes medication
      or inject insulin in the morning of the examination.
• 4. If you have had abdominal surgery, you can take colonoscopy at least 6 months later.
• 5. If you applied for sedation endoscopy, you must use public transportation instead of driving by yourself.
• 6. The oxygen saturation cannot be measured if you have nail polish on (gel nail). Please make sure to remove it before
      visiting.
• 7. In cases of severe obesity with a BMI of 35 or higher, there are restrictions on undergoing sleep endoscopy due to the risk
      of sleep apnea.

Before 1 pm for the morning examination and before 7 pm for the afternoon examination, please eat white rice or white porridge only without any side dishes and then you must fast until the day of the examination, except for bowel preparation solution and water.

Foods to avoid 3 days before examination		Foods to eat 3 days before examination
Brown rice, mixed grain rice, black rice, sesame porridge, etc.		White rice, white porridge, white bread
Kimchi, greens (bean sprouts, etc.), mushrooms, seaweed (dried seaweed, seaweed, kelp), etc.		Tofu, fish, clear steamed egg, green tea, ionic beverage, clear juice
Fruits with seeds (watermelon, melon, strawberry, grape, kiwi, etc.), corn, nuts (peanuts, pine nuts, walnuts), etc.		bananas, potatoes

Preparations

① 4 packs of Haprep A ② 4 packs of Haprep B ③ 1 pack of Gasocol ④ 1 empty container (500ml)

How to prepare one Haprep

After putting 1 pack of A and 1 pack of B into the container, pour water up to the mark (500 ml) and shake it until dissolved well.

How to take (Morning examination)

① A day before examination (First)

Take 250ml of the prepared Haprep 1L every 15 minutes

• Take at 8:00 pm
• Take at 8:30 pm

• After taking the prepared solution, drink 1L of water additionally.

  Take at 9:00 ~ 10:00 pm

② On the day of examination (Second)

Take 250ml of the prepared Haprep 1L every 15 minutes

• Take at 4:00 am
• Take at 4:30 am

• After taking the prepared solution, put 1 pack of Gasocol into 500ml of water and shake it before taking.

  Take at 5:00 ~ 5:30 am

How to take (Afternoon examination)

① On the day of examination (First)

Take 250ml of the prepared Haprep 1L every 15 minutes

• Take at 5:00 am
• Take at 5:30 am

• After taking the prepared solution, drink 1L of water additionally.

  Take at 6:00 ~ 7:00 am

② On the day of examination (Second)

Take 250ml of the prepared Haprep 1L every 15 minutes

• Take at 7:00 am
• Take at 7:30 am

• After taking the prepared solution, put 1 pack of Gasocol into 500 ml of water and shake it before taking.

  Take at 8:00 ~ 8:30 am