Tag: Indigestion

  • Endoscopy in Your 20s: 4 Fasting Rules Before Your Exam

    Endoscopy in Your 20s: 4 Fasting Rules Before Your Exam

    SummaryThink you’re too young in your 20s for an endoscopy? This guide covers why an upper endoscopy in your 20s matters, how it differs from a colonoscopy, how to choose between sedation and non-sedation options, and the fasting rules and precautions you need to know before the exam.

    It’s easy to assume you’re too young to worry about an endoscopy.

    Many people in their 20s brush off stomach discomfort as simple stress.

    But a 2014 National Health Insurance Service survey found that gastritis cases among people in their 20s were increasing by an average of 4.4% per year.

    Spicy delivery food and irregular eating habits are taking a toll on young adults’ digestive health.

    endoscopy in your 20s

    Article Preview
    An upper endoscopy in your 20s can be a helpful preventive step for protecting young adults’ digestive health.
    This article walks through the differences between an upper endoscopy and a colonoscopy, the features of sedation versus non-sedation options, and the fasting rules to follow before your exam.

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    Should You Get an Upper Endoscopy in Your 20s?

    Yes — if you’re in your 20s and have chronic indigestion or a family history of stomach disease, it’s safer to get checked.

    An upper endoscopy in your 20s is a detailed exam designed to catch conditions like gastritis, ulcers, and polyps early, before they progress.

    The national health screening program covers stomach cancer screening from ages 40 to 74, but if you have symptoms, an exam is worth considering regardless of age.

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    Habits like spicy delivery food, frequent late-night eating, and irregular meal times are considered major contributors to rising digestive disease among young adults.

    According to a 2014 survey by the National Health Insurance Service and the Kyunghyang Shinmun, gastritis cases among people in their 20s rose by an average of 4.4% per year, and women in their 20s were affected 2.2 times more often than men.

    If you frequently experience heartburn or chronic indigestion, it’s safer to get checked sooner rather than later.

    Key Points
    · Even without symptoms, regular endoscopy screening is recommended starting in your 20s if you have a family history of gastrointestinal disease.
    · Since people in their 20s aren’t covered under the national screening program, this exam can be done as an additional, self-pay (non-covered) test.

    How Is an Upper Endoscopy Different From a Colonoscopy?

    The two exams differ completely in what they examine and how you prepare.

    An upper endoscopy examines the esophagus, stomach, and duodenum, while a colonoscopy examines the entire colon and rectum.

    Because the exams serve different purposes, the preparation process differs as well.

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    Category Upper Endoscopy Colonoscopy
    Area Examined Esophagus, stomach, duodenum Entire colon and rectum
    Conditions Detected Gastritis, stomach ulcers, reflux esophagitis Colon polyps, inflammatory bowel disease
    Preparation Fasting for 8+ hours Bowel prep solution, dietary adjustments

    If you choose the sedation option, you’ll be given a sedative.

    It’s safer to bring someone with you on the day of the exam, and you should avoid driving or making important decisions afterward.

    If you feel dizzy or have a headache after the exam, it’s best to rest until it passes.

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    Caution
    If you’re taking aspirin or blood thinners, be sure to discuss whether to stop them with your prescribing doctor before the exam.

    How Should You Fast Before an Endoscopy?

    Following the preparation rules closely is key to getting accurate exam results.

    If you don’t follow the rules, your exam may need to be rescheduled or its accuracy may suffer.

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    Checklist
    ✅ Stop eating after 8 p.m. the night before the exam
    ✅ Discuss any medications you’re taking with your doctor beforehand
    ✅ For a colonoscopy, avoid fruit with seeds and multigrain rice starting 3 days before
    ✅ Avoid all water, coffee, and other beverages on the day of the exam

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    Smoking on the day of the exam can stimulate stomach acid production and interfere with the procedure, so avoid it.

    Following these small precautions is the first step toward a safe exam.

    Key Points
    · For an upper endoscopy, fast for at least 8 hours before the exam; for a colonoscopy, follow the fasting schedule tied to your bowel prep solution.
    · If you choose sedation, avoid driving yourself on the day of the exam.
    Result
    Following the fasting and medication guidelines helps keep your digestive tract clear, which can support the detection of polyps or early-stage lesions.

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    Being young doesn’t automatically mean perfect health.

    While your body still recovers quickly, it’s worth listening to the signals it sends and staying ahead with regular checkups.

    Talking with a trusted medical team is the first step, and you can find more hospital information at Burn Treatment Information, [Ansan Open Surgery Hospital] Home.

    Frequently Asked Questions

    1. Should people in their 20s get an upper endoscopy?
    The national health screening program covers stomach cancer screening starting at age 40, but if you’re in your 20s and have persistent heartburn, indigestion, or a family history, an exam is recommended.

    2. Which is better, sedation or non-sedation endoscopy?
    Non-sedation lets you return to your daily routine right after the exam, while sedation reduces gagging and discomfort for a more comfortable experience. You can choose based on your personal preference and condition.

    3. Can I drink water on the day of the exam?
    You should avoid water before an upper endoscopy too. Any water remaining in your stomach can obscure the view and make an accurate diagnosis harder, so complete fasting is necessary.

    4. When should I take the bowel prep solution before a colonoscopy?
    It’s typically taken in divided doses at times specified the day before the exam. Follow your hospital’s specific instructions on timing and method.

    5. Can I eat right after the exam?
    If a biopsy or polyp removal was performed, it’s safer to fast for the period your medical team advises, or start with easily digestible foods.


    References

    · Sisa Journal, “Stomach Cancer Screening Guidelines Change After 10 Years: Ages 40-74 Advised to Get an Upper Endoscopy Every 2 Years,” Sisa Journal, 2026. Read more
    · Kyunghyang Shinmun, “Gastritis: Women in Their 20s Affected 2.2 Times More Than Men,” Kyunghyang Shinmun, 2014. Read more


    This article is for general health information purposes only and is not a substitute for individual diagnosis or treatment. If you have symptoms, please consult a medical professional.

  • Colonoscopy Polyp Removal: 3 Reasons It Typically Doesn’t Hurt (Ansan Endoscopy Guide)

    Colonoscopy Polyp Removal: 3 Reasons It Typically Doesn’t Hurt (Ansan Endoscopy Guide)

    SummaryIs colonoscopy polyp removal really painless? The colon lining has very few pain-sensing nerves, so removal typically causes little to no discomfort. Here’s a full rundown of the symptoms that call for an Ansan endoscopy, plus pre- and post-procedure precautions and what recovery looks like.

    Some patients book a colonoscopy, then keep pushing the date back.
    Ask why, and nine times out of ten you’ll hear something similar.

    “If they find a polyp, they remove it right there on the spot — that means cutting tissue, doesn’t it?
    How can that not hurt?”

    Here’s the short answer: colonoscopy polyp removal causes little to no pain in most cases.
    The reason is built into the anatomy itself.

    Key Point
    This article walks through why colonoscopy polyp removal typically isn’t painful, the main symptoms that call for an Ansan endoscopy, what actually happens during an upper or lower endoscopy, and what to watch for before and after the procedure, in order.
    Putting off screening out of fear of pain can carry a far greater risk.

    Colonoscopy polyp removal

    Why Doesn’t Colonoscopy Polyp Removal Hurt?

    Short answer: removing a colon polyp typically causes little to no pain on its own.
    The colon lining is tissue with almost no nerve fibers that transmit pain signals.

    Skin and muscle are dense with pain-sensing nerve endings, but
    the mucosal layer inside the colon is structurally different.

    That’s why looping a snare around a polyp and cutting it away causes little to no sensation in the moment.
    Sedation (sleep endoscopy) is also commonly offered alongside the procedure at endoscopy centers in Korea.

    With the patient under light sedation, the exam and the procedure happen together, so any perceived discomfort is reduced further.

    Key Point
    ✔ The colon lining has almost no pain-sensing nerves, so removal causes little discomfort.
    ✔ Most procedures are performed under sedation, with reduced consciousness.
    ✔ What patients notice afterward is usually not pain but bloating from the gas used during the exam.

    Putting off screening out of fear of pain is actually the riskier choice.
    Early-stage polyps rarely cause symptoms,
    so without regular Ansan endoscopy checkups, they can go undetected longer than they should.


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    What Symptoms Call for an Ansan Endoscopy?

    If heartburn, blood in the stool, or unexplained weight loss keeps recurring, it’s worth checking the condition of the lining.
    Endoscopy is a diagnostic procedure that uses a flexible, articulated scope to directly examine the lining of the digestive tract.

    If upper abdominal pain keeps coming back or heartburn lingers for a long stretch,
    it’s worth checking for changes in the esophageal or stomach lining.

    In particular, sudden bloating after meals or
    unexplained weight loss are signs that call for a closer look.

    For the colon, a sudden change in bowel habits, blood in the stool, and persistent lower abdominal pain are the main warning signs.

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    Checklist
    ✅ Chronic heartburn or indigestion that won’t go away
    ✅ Recurring upper abdominal pain or a sense of fullness
    ✅ Changes in bowel frequency or visible blood in the stool
    ✅ A family history of colorectal or stomach cancer
    ✅ Age 40 or older and eligible for the national cancer screening program

    Digestive conditions often show few clear symptoms in the early stages.
    That’s why checking the condition of the lining with regular Ansan endoscopy screening matters.

    The earlier a condition is found, the easier it generally is to plan the next steps for care.


    How Do Upper and Lower Endoscopies Differ?

    The two exams differ in purpose and preparation.
    An upper endoscopy examines the upper digestive tract, while a colonoscopy examines the lining of the lower digestive tract.

    Before the procedure, the care team reviews any underlying conditions and
    current medications with the patient.

    If you’re taking aspirin or a blood thinner, whether to pause it beforehand should be discussed with your doctor
    to help lower the risk of bleeding.

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    Category Upper Endoscopy Colonoscopy
    Fasting time At least 8 hours of fasting Fasting and bowel prep starting about 12 hours prior
    Duration About 5–10 minutes About 15–30 minutes
    Main purpose Early diagnosis of gastritis, ulcers, and stomach cancer Polyp detection with immediate removal, and colitis diagnosis

    If a suspicious lesion turns up during the exam, a tissue biopsy can be taken on the spot, or
    in the case of a colon polyp, removal can be performed during the same procedure.


    What Should You Watch For Before and After the Procedure?

    Following the dietary guidance for the 3 days before the exam and managing your first meal afterward is usually enough for a safe recovery.
    Bowel prep before endoscopy is the process of clearing the bowel so that small lesions aren’t missed.

    For a colonoscopy, avoid fruit with seeds, sesame seeds, laver, and seaweed starting 3 days before the exam.
    If residue is left on the bowel lining, small polyps can be harder to spot.

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    ⚠️ Precautions for a Safe Recovery
    1. No driving on the day of a sedation endoscopy: sedatives can impair judgment, so plan on public transit or having someone accompany you.
    2. Managing your first meal afterward: if you had a biopsy or polyp removed, it’s best to start with a bland rice porridge or gruel about 1–2 hours after the procedure.
    3. Review your medications: be sure to discuss blood pressure or diabetes medication with your care team beforehand.
    What Recovery Typically Looks Like
    Patients who follow the basic guidelines are generally able to return to daily activities the same day, though individual recovery can vary.
    Choosing a facility with proper equipment and a dedicated gastroenterology team can help make the screening more comfortable.

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    Our clinic also provides digestive endoscopy screening to
    help look after the digestive health of the local community.

    If you’d like to learn more about the hospital’s departments and screening equipment,
    you can find an overview at Burn Treatment, [Ansan Yeorin Surgical Hospital] Home.

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    Frequently Asked Questions

    1. Is there a risk I won’t wake up from sedation, or is it dangerous?
    Sedatives used for sleep endoscopy induce a state of conscious sedation, unlike general anesthesia. Oxygen saturation and pulse are monitored in real time during the procedure, which helps it be carried out in a properly managed setting.

    2. Does removing a colon polyp hurt a lot?

    Because the colon lining has almost no pain-sensing nerve fibers, colonoscopy polyp removal itself causes little to no pain. That said, the gas used during the exam can cause temporary bloating.

    3. How often should I get an endoscopy?
    As a general guideline, an upper endoscopy is recommended once every 2 years from age 40, and a colonoscopy once every 5 years from age 50. If polyps have previously been found or there’s a family history, the interval may be shortened to every 1–3 years.

    4. Can I take my usual medications or antacids on the day of the exam?
    Blood pressure medication is often taken with a small amount of water early on the morning of the exam, but diabetes medication or insulin is usually withheld due to the risk of low blood sugar. Be sure to tell your care team about all medications you’re taking beforehand.

    5. Does the polyp removal site need any special care afterward?
    The removal site generally heals on its own. That said, avoid strenuous exercise and alcohol on the day of the procedure and the following day, and contact your clinic right away if you notice bleeding or severe abdominal pain.

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    References

    · Asan Medical Center, “Polyp of Colon,” Disease Encyclopedia, Asan Medical Center. View
    · Colorectal Cancer Screening Guideline Revision Committee, “Colorectal Cancer Screening Guidelines,” National Cancer Center / National Cancer Screening Program, 2015. View
    · Gastric Cancer Screening Guideline Revision Committee, “Gastric Cancer Screening Guidelines,” National Cancer Center / National Cancer Screening Program, 2015. View

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    This article is provided for general health information purposes and is not a substitute for individual diagnosis or treatment. If you have symptoms, please consult a physician.