Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Helicobacter heilmannii
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Helicobacter heilmannii: A bacterium that infects most cats, dogs, and pigs and causes them stomach inflammation (gastritis). H. heilmannii is not usually transmitted from animals to people, but people who have been infected by H. heilmannii are known to have developed gastric and duodenal ulcers. Antibiotics can cure H. heilmannii infections. H. heilmannii is closely related to H. pylori.