If you are losing weight without trying, it can be a sign of a treatable digestive or systemic condition and it deserves timely evaluation. We are a gastroenterology practice; we evaluate unexplained weight loss by reviewing your history, checking for digestive and liver causes, ordering targeted tests, and coordinating care with primary care and specialists when needed.

What unexplained weight loss means

By unexplained weight loss we mean a drop in body weight that occurs without dieting, increased exercise, or an obvious change in routine. Clinically, many doctors consider a loss of 5 percent or more of body weight over six to 12 months to be significant, but any persistent downward trend that you cannot explain should be evaluated.

Quick answer: Unexplained weight loss can come from problems with the digestive tract, the liver, infections, metabolic conditions, cancer, or medications. A gastroenterologist looks first for gastrointestinal and liver causes and for clues that point to non GI causes.

Why this matters locally

In Slate Hill and the surrounding area we see patients who notice weight loss while still eating normally. Local factors matter. Access to specialists, patterns of referral from primary care, and regional prevalence of infections and chronic liver disease shape how we evaluate someone.

When you come to our practice in Goshen we integrate what we learn at the visit with local lab services and imaging centers. That helps us avoid delays in diagnosis that can occur if a problem is assumed to be stress or aging.

Key concepts we use when evaluating unexplained weight loss

  • History first. We ask about appetite, stool patterns, nausea, abdominal pain, fatigue, night sweats, fevers, and medication changes.
  • Red flags. Rapid weight loss, persistent vomiting, blood in stool, difficulty swallowing, or new lumps need prompt attention.
  • Systems approach. Weight loss can be digestive, endocrine, infectious, neurologic, or oncologic in origin. We narrow the possibilities step by step.
  • Targeted testing. Tests may include blood work, stool studies, imaging, endoscopy, or breath testing depending on the likely cause.
  • Collaboration. We work with primary care, oncology, endocrinology, and infectious disease when a cause lies outside the gut.

How we evaluate unexplained weight loss

Our evaluation follows a clear process, so you know what to expect.

  1. Careful medical history. We review your weight pattern, diet, medications, alcohol use, travel, exposures, and family history.
  2. Focused physical exam. We look for signs of malnutrition, abdominal masses, jaundice, or lymph node enlargement.
  3. Initial labs. Basic blood tests check for anemia, thyroid problems, liver dysfunction, kidney disease, and inflammation.
  4. Stool testing and infection checks. Stool tests can find chronic infection, inflammation, or malabsorption. We sometimes test for Helicobacter pylori when symptoms suggest it.
  5. Imaging and scopes. If indicated, we arrange abdominal ultrasound, CT, an upper endoscopy or a colonoscopy to visualize the digestive tract.
  6. Follow up and coordination. We review results, discuss likely causes, and plan next steps with you and your primary care provider.

Common causes of unexplained weight loss we consider

These are the categories we evaluate most often.

  • Digestive disorders. Conditions like celiac disease, inflammatory bowel disease, chronic pancreatitis, peptic ulcer disease, and gastric outlet obstruction can reduce absorption or increase calorie loss.
  • Infections. Chronic infections such as tuberculosis or parasitic illnesses may cause weight loss, particularly with travel or exposure history.
  • Liver disease. Advanced liver disease and certain hepatitides can cause weight loss and muscle wasting.
  • Cancer. Tumors of the stomach, pancreas, colon, lung, or lymphatic system can present with weight loss before other symptoms.
  • Endocrine causes. Hyperthyroidism and uncontrolled diabetes are metabolic reasons for weight loss.
  • Medication related. Some drugs reduce appetite or cause malabsorption.
  • Psychiatric and social factors. Depression, substance use, or food insecurity can all lead to unintended weight loss.

When to seek urgent care

Watch out: Get urgent evaluation if you have rapid weight loss over weeks, trouble swallowing, persistent vomiting, blood in stool, high fevers, severe abdominal pain, or new neurological symptoms. Those signs require immediate assessment.

For less urgent but still concerning weight loss, schedule an evaluation so testing can begin promptly.

What good testing looks like

Not every patient needs every test. Good testing is targeted, stepwise, and interpreted in the context of your history.

  • Blood panel that includes complete blood count, metabolic profile, thyroid tests, inflammatory markers, and liver enzymes.
  • Stool studies for infection, inflammation, or malabsorption when symptoms suggest them.
  • Imaging such as abdominal ultrasound or CT when physical exam or labs point to organ disease.
  • Endoscopy or colonoscopy when structural disease, ulcers, cancer, or inflammatory bowel disease are possible. Learn more about our colonoscopy service on our colonoscopy page.

Checklist: bring this to your appointment

What to bring

  • A list of current medications and supplements
  • Approximate dates and amounts of weight lost
  • Recent lab or imaging reports if you have them
  • Notes on symptoms such as bowel changes, nausea, appetite shifts, fever, or night sweats

As a gastroenterology practice, we offer diagnostic and therapeutic services that commonly help find the cause of weight loss.

We are based in Goshen and serve Slate Hill and nearby communities. If you live in Slate Hill or surrounding towns, your primary care provider may refer you to a gastroenterologist for unexplained weight loss. Our practice coordinates testing with local imaging centers and laboratories to keep care close to home.

For information about the locations we serve, see our locations page.

Locations hub

Helpful resources and where we look for guidance

We use current guidelines and reputable references when we evaluate unexplained weight loss. Examples include guidance from national gastroenterology associations on evaluation of malabsorption and endoscopy, university medical centers that publish clinical overviews, and official statistics about disease prevalence from government health agencies.

If you want reading that explains tests and terms, reputable sources include professional society practice guidelines and academic medical center patient guides.

Common questions

How quickly should I act if I notice weight loss?

Any ongoing unintentional weight loss should prompt a medical check, especially if it is more than a few percent of your body weight over months or if you have other symptoms. Rapid loss or red flag symptoms need urgent evaluation.

Will I need an endoscopy or colonoscopy?

Not always. We decide based on your symptoms, exam, and initial tests. If structural disease, bleeding, or certain infections are suspected, an upper endoscopy or colonoscopy may be recommended.

Can medication cause weight loss?

Yes. Medications that lower appetite, cause nausea, or affect absorption can contribute. Bring a complete medication list to your visit so we can review potential effects.

Frequently asked questions

What tests check for malabsorption?

Tests for malabsorption can include stool fat studies, celiac serologies, vitamin and mineral levels, and breath testing for small intestine bacterial overgrowth. The choice depends on your symptoms and history.

Could my weight loss be caused by stress or depression?

Yes, psychiatric conditions can cause reduced appetite and weight loss. We evaluate mood, sleep, and daily function and work with mental health professionals when appropriate.

When is weight loss likely to be cancer?

Unexplained weight loss is one possible sign of cancer, but it is more often caused by benign conditions. Red flags that raise concern include night sweats, persistent pain, bleeding, or a new mass. If cancer is suspected we coordinate imaging and biopsy through specialty services.

Do you treat weight loss due to liver disease?

We evaluate and manage liver related causes of weight loss as part of our hepatology services. That includes ordering liver function tests and coordinating care for fatty liver disease, hepatitis, or cirrhosis.

Key takeaway

Unexplained weight loss is a symptom, not a diagnosis. We evaluate it with a clear, stepwise approach that prioritizes history, targeted testing, and coordination with your primary care provider and specialists. Early evaluation helps identify treatable causes and avoid unnecessary delay.

Want to learn more about how we evaluate digestive causes of weight loss?

Read more about related topics and services on our site, including information on anemia and GI causes and colonoscopy preparation. You can also view our practice information and reviews on our Google Business Profile to get directions and see patient feedback.

Anemia and GI causes | Colonoscopy preparation | Gastroenterologist services