Can ulcerative gastritis cause anemia?

Mar 04, 2025 Source: Cainiu Health

Dr. Shen Yonghua

Introduction

Ulcerative gastritis usually refers to gastric ulcers. In general, gastric ulcers may lead to anemia; if necessary, prompt medical attention is recommended. Patients with gastric ulcers have damaged gastric mucosa, which is prone to forming ulcerated areas. If the ulcer is large or deep, it may cause blood vessels to rupture, resulting in bleeding. Prolonged minor bleeding may go unnoticed but can gradually lead to anemia.

　　Ulcerative gastritis usually refers to gastric ulcers. In general, gastric ulcers may cause anemia, and medical advice should be sought promptly if necessary. Detailed explanations are as follows:

　　Patients with gastric ulcers have damaged gastric mucosa, which can easily form ulcerated areas. If the ulcer is large or deep, it may cause blood vessels to rupture and lead to bleeding. Long-term minor bleeding may not be easily noticed but can gradually result in anemia. Significant blood loss reduces the number of red blood cells in the body, thereby causing anemia. Additionally, in some rare cases, gastric ulcers may cause acute massive bleeding. In such situations, rapid and significant blood loss within a short time can lead to severe anemia and may even endanger life.

　　Gastric ulcers may also affect the patient's absorption and utilization of essential nutrients for blood production, such as iron and vitamin B12. Iron is a crucial component for hemoglobin synthesis, while vitamin B12 is involved in red blood cell production. Patients with gastric ulcers may experience impaired iron absorption due to reduced gastric acid secretion or damaged gastric mucosa, which can lead to iron-deficiency anemia. At the same time, poor appetite and inadequate nutritional intake in patients with gastric ulcers can also affect normal body metabolism and blood-forming functions, thereby worsening anemia symptoms.

　　Patients with gastric ulcers should consume more foods rich in iron, vitamin B12, and folic acid, such as red meat, pork liver, and dark green vegetables, to promote hemoglobin synthesis and red blood cell production.

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