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Digestive health desk scene with tea, water, simple foods, and generic antacid packaging beside a notebook sketch of the stomach and intestines, representing GERD, IBS, and ulcer symptoms and when to seek care.

GERD vs IBS vs Ulcer: A Practical Guide (and Red Flags)

Digestive symptoms are common and often manageable. The goal is to reduce symptoms safely and identify warning signs early.

GERD (reflux)

  • Burning chest/throat, sour taste, worse after meals or lying down. First steps often include weight optimization when needed, meal timing, avoiding triggers, and head-of-bed elevation for nighttime symptoms.

IBS

  • Chronic abdominal discomfort with bowel changes (diarrhea/constipation), often influenced by food triggers, stress, sleep, and activity. Many patients benefit from structured diet changes (fiber strategy, low-FODMAP trial with guidance) and lifestyle support.

Ulcer concerns

  • Gnawing upper abdominal pain, nausea, worse with NSAIDs; sometimes H. pylori testing is needed.

Red flags: seek urgent evaluation

  • Black tarry stools, vomiting blood, severe dehydration, fainting, persistent severe localized pain, unintentional weight loss, trouble swallowing, or persistent vomiting.

Next step

More resources: Digestive Health. Book a visit if symptoms persist or you have any red flags—we’ll choose the right tests and treatment plan.

Last reviewed: Dec 28, 2025

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