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What causes stomach pain, weight loss, and bowel urgency?

This Premium Q&A, reviewed and published, features a real conversation between an iCliniq user and a physician.

Patient's Query

Hello doctor,

I am experiencing stomach pain that gets worse when my stomach is empty. I have also been losing weight, feeling lightheaded, and often the urge to use the toilet shortly after eating.

Please help.

Thank you.

Answered by Dr. Georges Hany Kozah

Education:

MD

Professional Bio:

Dr. Georges Hany Kozah is an experienced Lebanese Gynecologist with an MD from The Lebanese University Faculty of Medical Sciences (2016) and a Fellowship completed in 2022. Specializing in high-risk obstetrics, advanced ultrasound, oncology, colposcopy, and hysteroscopy, he combines expertise with a patient-centered approach. Passionate about women’s health, Dr. Kozah strives for excellence and optimal outcomes in collaborative, innovative care.

This doctor is not available for online consultations on the platform anymore.

Hello,

Welcome to icliniq.com.

I have read your query and can understand your concern.

Thank you for sharing those details, they are really helpful in understanding your situation. Based on your symptoms and medical history, here is a breakdown of what could be going on:

Your symptoms:

  1. Stomach pain that worsens on an empty stomach.

  2. Unintentional weight loss and lightheadedness.

  3. Urgent bowel movements shortly after eating.

  4. Recent use of alcoholic bitters can irritate the stomach lining.

  5. Currently taking multiple medications, including antibiotics and acid reducers.

Possible causes:

Gastritis or peptic ulcer disease:

  1. Alcoholic bitters can irritate or damage the stomach lining, triggering or worsening ulcers.

  2. Pain that intensifies when the stomach is empty is a classic symptom.

  3. Acid reducers like Omeprazole or Cimetidine are appropriate and helpful here.

Infectious gastroenteritis or bacterial overgrowth:

  1. The combination of antibiotics (Ofloxacin, Ciprofloxacin, and Amoxicillin) suggests an infection was suspected.

  2. If not targeted with a stool test, broad-spectrum antibiotics can disrupt gut flora, causing diarrhea, bloating, and urgency.

Malabsorption or post-infectious IBS:

If symptoms persist despite treatment, you may be dealing with malabsorption or post-infectious irritable bowel syndrome (IBS).

Recommended next steps:

Diagnostic tests:

  1. Ask your doctor for a stool microscopy, culture, and sensitivity test.

  2. Request an H. pylori (Helicobacter pylori) test (done via stool antigen or breath test), as this bacterium commonly causes ulcers.

Medication:

  1. Continue taking Omeprazole or Pantoprazole once daily before meals to reduce acid and allow healing.

  2. Avoid NSAIDs (nonsteroidal anti-inflammatory drugs), spicy foods, alcohol, coffee, and acidic foods while your stomach heals.

Probiotics:

After multiple antibiotics, it is a good idea to restore gut balance with probiotic supplements or daily yogurt with live cultures.

Diet and hydration:

  1. Eat small, frequent meals every three to four hours to avoid long periods with an empty stomach.

  2. Stay well-hydrated throughout the day.

When to seek immediate medical attention:

  1. Vomiting blood or material that looks like coffee grounds.

  2. Black, tarry stools.

  3. Severe or continued weight loss.

  4. Signs of dehydration.

  5. Persistent or high fever.

I hope this answers your query.

Please let me know if I can assist you further.

Thank you.

Medically reviewed by iCliniq medical review team
Published At June 18, 2025
Reviewed At June 19, 2025

Education:

MD

Professional Bio:

Dr. Georges Hany Kozah is an experienced Lebanese Gynecologist with an MD from The Lebanese University Faculty of Medical Sciences (2016) and a Fellowship completed in 2022. Specializing in high-risk obstetrics, advanced ultrasound, oncology, colposcopy, and hysteroscopy, he combines expertise with a patient-centered approach. Passionate about women’s health, Dr. Kozah strives for excellence and optimal outcomes in collaborative, innovative care.

This doctor is not available for online consultations on the platform anymore.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Education:

MD

Professional Bio:

Dr. Georges Hany Kozah is an experienced Lebanese Gynecologist with an MD from The Lebanese University Faculty of Medical Sciences (2016) and a Fellowship completed in 2022. Specializing in high-risk obstetrics, advanced ultrasound, oncology, colposcopy, and hysteroscopy, he combines expertise with a patient-centered approach. Passionate about women’s health, Dr. Kozah strives for excellence and optimal outcomes in collaborative, innovative care.

This doctor is not available for online consultations on the platform anymore.

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