Autoimmune

Pernicious Anaemia (Autoimmune)

Autoimmune gastritis causing B12 malabsorption.

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Overview

Autoimmune gastritis causing B12 malabsorption.

In-depth guidance

A structured clinical overview of Pernicious Anaemia (Autoimmune) — symptoms, red flags, causes, and care pathways — is being prepared by our clinical reviewers. In the meantime:

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⚠ When to seek urgent care

Sudden severe symptoms, breathing difficulty, chest pain, confusion, fainting, severe bleeding, or any rapidly worsening illness need urgent assessment. Call your local emergency number.