What a Painless Gastroscopy and Colonoscopy Visit Is Like in China

Direct answer. A painless gastroscopy and colonoscopy in China means two examinations, upper then lower, usually attempted during one sedation session after a written bowel preparation. 胃镜 is the upper test and 肠镜 is the lower test. Whether you should have either one is a decision for a clinician who has reviewed you or your record. This page describes the visit. It does not book it, and it does not promise how the day will feel.

A city name, a checkup package or a photograph of a room is not yet an appointment.

Key facts

Question	What is known on 8 October 2026	What it does not decide
What the visit is	Upper endoscopy and colonoscopy, usually under one sedation plan	That you need either test
Where a partner medical group arranges it	Guangzhou and Shenzhen, and only for a date confirmed in writing	Any other city, including cities where a checkup is offered
Preparation	The written sheet sets a lower-fiber diet, then a laxative, then fasting	That the laxative will feel mild
Sedation	Offered only after an assessment. Ask who gives it and who watches you	That every person sleeps through it, or that the risk is zero
Afterwards	Monitoring until discharge is judged safe, with an adult companion	A flight, a long train or a meeting until the clinic has cleared you
The bill	A written itemised estimate from the clinic	One combined price

What the two examinations do

A gastroscopy looks at the oesophagus, the stomach and the first part of the small intestine. A colonoscopy looks at the large intestine. Doing both under one sedation plan can spare a second preparation and a second recovery, but only if the clinic accepts you for both after it has read your history, your medicines and the bowel preparation. Gastroscopy in China for international patients covers who an upper endoscopy is and is not for, and how biopsy decisions are made. This page is the visit itself.

A morning checkup without sedation is a different day. A morning health checkup, station by station describes that order. Health screening timelines in China explains why sedation and a pathology report change the length of the trip.

Alarm symptoms need local care, not a planned journey. Vomiting blood, black or tarry stools, progressively difficult swallowing, severe persistent pain, fainting or unexplained weight loss belong with a clinician near you. In China, call 120.

Who should be asking about screening

Screening intervals are not the same in every guideline, and this page does not choose one for you.

The China guideline for the screening, early detection and early treatment of colorectal cancer (2020, Beijing), published in 2021, recommends a risk assessment from the age of 40. People assessed as average risk are recommended for screening from 50 to 75. People assessed as higher risk, and people with a parent, brother, sister or child who has had colorectal cancer, are recommended to start earlier: at 40, or ten years before the youngest affected relative. A high-quality colonoscopy is recommended every 5 to 10 years, and a faecal immunochemical test every year. Colonoscopy is described there as the reference standard. Your own clinician may be using a different start, including the U.S. Preventive Services Task Force recommendation to start average-risk screening at 45. Bring the advice you already have. Do not replace it with this paragraph.

An upper endoscopy for screening is a separate question. In many Western systems it is reserved for symptoms or named risk factors. Practice in East Asia is often broader. Gastric cancer and the gastroscopy guide above are the pages for that decision. A larger polyp that needs a planned removal is a further step: gastrointestinal polyps and day surgery. Colorectal cancer is the disease page, not a booking.

Preparation

The clinic's written sheet is the instruction that counts. A common pattern, which your sheet may change, has three parts.

• For several days beforehand, reduce seeds, skins and other high-fiber foods, and follow the colour rules on the sheet. The aim is a clear view, not a special diet you invent yourself.
• Then take the laxative exactly as written. Some partner clinics in Guangzhou can have a nurse mix it and can offer a room at the clinic while it works, so you are not doing this alone where you are staying. Ask whether that room exists on your date. It is not part of every endoscopy unit, and it does not make the laxative uneventful.
• Fasting is separate from the diet. A widely used anaesthesia guideline allows a light meal up to six hours beforehand and clear fluids up to two hours beforehand. Your sheet may be stricter. Follow the sheet.

Tell the clinic, at the first message, about allergies, sleep apnoea, heart or lung disease, and every medicine, especially anticoagulants, antiplatelet drugs, diabetes treatment and iron. Those facts often decide whether a biopsy or a polyp removal can happen during the examination. Planning a health checkup in China is the wider page if this visit sits inside a larger set of tests. Public, private or international hospital services explains why the setting changes the language of the report and the shape of the bill.

The day of the examination

Ask these things in writing before you travel. They are ordinary questions about dignity and logistics. They are not a description of every room in China.

• Is there a private place to change, a locker for your bag, and a cover to wear over the gown on the way to the procedure room?
• Who explains the next step, and does that person stay with you until you enter the procedure room?
• Can your companion be told when you are expected to come out?

Sedation, often called painless endoscopy (无痛胃肠镜), is a drug plan, not a slogan. The aim is that you sleep during the examination. Whether it is offered, which drugs are used, and who gives them, depend on the assessment and on the clinic's protocol. Ask both questions. Do not assume the person holding the scope is also the person responsible for your breathing.

Afterwards you are watched until the team considers it safe for you to leave. Some people wake gradually and are glad not to be hurried. Nausea, a dry mouth or unsteadiness can still happen. One person's account is not your result. Do not plan a flight, a long train or an important conversation until the clinic has said you may. You need an adult companion after sedation. A coordinator is not automatically that person. If you are travelling alone, settle this before you book.

Risks, stated narrowly

Any endoscopy can injure the throat, or cause bleeding, a perforation or an infection. Sedation adds risks to breathing and circulation.

A 2014 prospective series in German outpatient practices followed 24,441 people having colonoscopy, gastroscopy or both, under endoscopist-directed propofol. The paper reports major events in four patients, stated as 0.016 percent, all of them a problem with breathing that was treated at the time, and says each of those people recovered without lasting harm. Minor events were also recorded, most often low oxygen. That series describes a German outpatient staffing model. It is not a rate for a clinic in China, and it is not a promise that nothing will happen to you. Ask who gives the sedation where you are going, and what monitoring is used.

The bill and the report

Ask for a written itemised estimate before you pay for flights. The procedure, the sedation, the laxative, a supervised preparation room, biopsy, pathology, removal of a polyp, translation and an international-service fee can be separate lines. There is no generic combined price on this page. The clinic's estimate is the figure to plan with. PriumCare does not mark up that figure.

Leave with a plan for the endoscopy report, the images, and any pathology. Pathology takes longer than the endoscopy report. Health screening timelines in China is why that gap matters for the flight home. Ask which language the report will be in, and how your doctor at home will receive the original.

Where this visit can be arranged

A partner medical group arranges this combined visit in Guangzhou and Shenzhen. The group is not named on this page. A checkup offered by the same group in another city is not, by itself, an endoscopy appointment. Confirm the clinic, the clinician and the date in writing. The current checkup tiers, which are a different product, are listed on the health screening page.

Where PriumCare fits in China

Where that support is confirmed in your service scope, PriumCare can help you send the record, request a date, arrange language support, and collect the reports afterwards.

We do not diagnose, we do not treat, and we do not decide whether a gastroscopy or a colonoscopy is appropriate. PriumCare does not mark up hospital fees. For a sudden or worsening emergency, call 120.

Can a gastroscopy and a colonoscopy be done in one visit?

Often they can, under one sedation plan, if the clinic accepts you for both after reading your history and confirming the bowel preparation. The clinic decides. This page does not.

How should I prepare?

Follow the written sheet: the diet window it names, the laxative as written, and the fasting rule it names. A common anaesthesia guideline stops a light meal six hours beforehand and clear fluids two hours beforehand. Your sheet wins if they differ. Ask whether a nurse can supervise the laxative at the clinic.

Do I need an adult companion?

Yes, after sedation. Arrange a specific adult before you book. Do not assume a coordinator can take that role.

Is sedated endoscopy free of risk?

No. Bleeding, perforation, infection and sedation-related breathing or circulation events are possible. A German outpatient series is cited above so the numbers have a source. It is not a rate for your clinic.

Where can this combined visit be arranged?

Through a partner medical group in Guangzhou and Shenzhen, for a date the clinic confirms in writing. The group is not named here. Another city needs its own confirmation.

Will my doctor at home be able to use the report?

Ask for the original report, the images, any pathology, and a translation if you need one. Acceptance depends on your own clinician, not on this page.

Does this page decide whether I should have the test?

No. A clinician who can review your record decides. Alarm symptoms need local care. In China, call 120.

Sources and scope

Reviewed 8 October 2026. This page is a visit note for international patients. It is not a medical opinion, and it does not name the clinic.

1. China guideline for the screening, early detection and early treatment of colorectal cancer (2020, Beijing), Chinese Journal of Oncology, 2021: https://doi.org/10.3760/cma.j.cn112152-20210105-00010
2. U.S. Preventive Services Task Force, colorectal cancer screening, average-risk start at 45: https://www.uspreventiveservicestaskforce.org/uspstf/recommendation/colorectal-cancer-screening
3. American Society of Anesthesiologists, practice guidelines for preoperative fasting, 2017 update: https://pubmed.ncbi.nlm.nih.gov/28045707/
4. Sieg and colleagues, endoscopist-directed propofol in 24,441 German outpatient endoscopies, Journal of Gastroenterology and Hepatology, 2014: https://pubmed.ncbi.nlm.nih.gov/24716213/
5. NHS, colonoscopy, what happens and how to prepare: https://www.nhs.uk/tests-and-treatments/colonoscopy/