Digestive issues are some of the most common reasons people seek medical care. From simple heartburn to unexplained abdominal pain, the symptoms can range from mildly uncomfortable to deeply concerning. But not every digestive issue requires immediate attention—or the same type of test.
If you’re wondering when it’s time to see a doctor and which test you might need—an upper GI gastroscopy or a colonoscopy—this guide can help clarify your next step. At Chinese General Hospital and Medical Center (CGHMC), our Digestive Endoscopy Unit provides both clarity and care, with expert guidance on diagnostics and treatment.
1. From Discomfort to Danger: When Digestive Symptoms Need Medical Attention
It’s easy to ignore digestive symptoms—until they disrupt your day or hint at something more serious. Understanding the range of symptoms and when to seek help is the first step toward timely intervention.
Common but Concerning Symptoms
- Heartburn or acid reflux more than twice a week
- Bloating or fullness that persists after meals
- Change in bowel habits, including constipation or diarrhea lasting more than a few days
- Gas or indigestion not relieved by diet or medication
- Mild nausea without a clear cause
These may not require urgent care but should be discussed with a physician if persistent.
Red Flags That Require Prompt Medical Attention• Blood in stool
- Persistent vomiting, especially with blood
- Severe abdominal pain or cramping
- Unintended weight loss
- Difficulty swallowing or food getting “stuck”
- Jaundice (yellowing of skin or eyes)
These symptoms may suggest more serious gastrointestinal conditions and warrant immediate evaluation—often using diagnostic procedures such as endoscopy or colonoscopy.
2. Understanding the Purpose of Upper GI Gastroscopy and Colonoscopy
Though often mentioned together, upper GI gastroscopy and colonoscopy serve different functions and examine different parts of the digestive tract.
What Is an Upper GI Gastroscopy?
An upper gastrointestinal (GI) endoscopy or EGD gastroscopy is a procedure used to view the inside of the esophagus, stomach, and the upper part of the small intestine (duodenum). It is typically used to investigate:
- Acid reflux or GERD
- Ulcers or gastritis
- Difficulty swallowing
- Upper GI bleeding
- Unexplained nausea or vomiting
A thin, flexible tube with a camera (endoscope) is gently inserted through the mouth to visualize these areas.
What Is a Colonoscopy?
A colonoscopy is a procedure that examines the colon (large intestine) and rectum. It is commonly used to:
- Screen for colon cancer or polyps
- Investigate rectal bleeding
- Diagnose chronic diarrhea or constipation
- Evaluate inflammatory bowel disease (e.g., Crohn’s or ulcerative colitis)
During this procedure, a similar flexible tube is inserted through the rectum to inspect the entire colon.
3. How the Procedures Are Performed
Understanding how these tests are performed can help reduce anxiety and set proper expectations.
Upper GI Gastroscopy Procedure at a Glance
- Conducted under light sedation or local throat anesthesia
- Takes about 15 to 30 minutes
- The endoscope transmits real-time images to a monitor
- Biopsies can be taken if abnormalities are seen
- Recovery time is short; patients can usually go home the same day
Colonoscopy Procedure at a Glance
- Conducted under sedation for comfort
- Takes about 30 to 60 minutes
- Colon must be cleansed prior to the procedure (bowel prep required)
- Biopsies and polyp removal (polypectomy) can be performed during the test
- Patients are monitored post-procedure until sedation wears off
Both procedures are minimally invasive and low-risk, especially when performed by experienced specialists like those at CGHMC.
4. When Your Doctor Might Recommend One Over the Other
The choice between endoscopy and colonoscopy depends on your symptoms, history, and risk factors.
Your Doctor May Recommend an Upper GI Gastroscopy If You Have:
- Persistent upper abdominal pain or burning
- Difficulty swallowing or frequent heartburn
- Unexplained vomiting or bleeding
- History of ulcers or suspected H. pylori infection
- Suspected esophageal strictures or tumors
Your Doctor May Recommend a Colonoscopy If You Experience:• Blood in the stool or rectal bleeding
- A family history of colorectal cancer
- Unexplained changes in bowel habits (constipation, prolonged diarrhea > 2 weeks)
- Long-term abdominal cramping or bloating
- Screening for polyps if you’re age 46+ or high risk
In some cases, your physician may recommend both tests to get a full picture of your digestive health—especially if symptoms involve both the upper and lower GI tract.
5. What to Expect Before, During, and After
Whether it’s your first time undergoing digestive diagnostics or a follow-up exam, preparation and aftercare are key.
Before the Procedure
- Endoscopy: Avoid eating or drinking for at least 6–8 hours before the test.
- Colonoscopy: Follow your physician’s bowel preparation instructions carefully, which may include fasting and drinking a special solution the night before.
During the Procedure
- Both procedures are done in a sterile, comfortable setting at CGHMC.
- Sedation is provided to keep you relaxed and pain-free.
- The procedure is monitored closely by an expert team.
After the Procedure
- You’ll be monitored until you’re fully awake.
- Most patients can return home the same day.
- A companion is recommended if you are sedated.
- Your doctor will explain preliminary findings and schedule a follow-up for biopsy results, if taken.
6. Getting the Right Test at CGHMC
At Chinese General Hospital and Medical Center, we understand that digestive issues affect not just your body but your overall well-being. That’s why our approach combines cutting-edge technology with a team of skilled gastroenterologists, and nurses who work closely with you from diagnosis to treatment. Our Digestive Endoscopy Unit offers:
- Upper GI gastroscopy and colonoscopy services
- Image-guided diagnostics for accuracy
- Biopsy and histopathology services for in-depth analysis
- Comfortable, private procedure rooms
- Fast, coordinated care with internal medicine, surgery, and oncology if needed
Whether you need peace of mind, early detection, or active management of a digestive condition, we’re here to help.
Unsure What Test You Need? Book a Consult to Clarify.
Digestive symptoms don’t always mean something serious—but when they do, timing and accurate diagnosis matter. Don’t let uncertainty delay the care you need.
Call (02) 8711 4141 to schedule your consultation
Visit www.cghmc.com.ph to learn more about our digestive health services
