Leprosy, also known as Hansen's disease (HD), is a long-term infection by the bacteria Mycobacterium leprae or Mycobacterium lepromatosis. [4][7] Infection can lead to damage of the nerves, respiratory …

Dec 5, 2025 · What it is Leprosy (Hansen's disease) is caused by slow-growing bacteria called Mycobacterium leprae and Mycobacterium lepromatosis. The disease can affect the nerves, skin, …

Leprosy (Hansen’s disease) is a bacterial infection that can damage your nerves, muscles, eyes, skin and respiratory tract. It’s curable and doesn’t easily spread.

Aug 5, 2025 · Leprosy is an infectious disease that causes severe, disfiguring skin sores and nerve damage in the arms, legs, and areas around your body.

Jan 24, 2025 · Leprosy, also known as Hansen disease, is a chronic infectious disease caused mainly by a type of bacteria called Mycobacterium leprae. The disease affects the skin, the peripheral …

Oct 25, 2023 · Leprosy (or Hansen’s disease) is a chronic, progressive bacterial infection that can cause disfigurement and disability if left untreated. Discover the symptoms and see pictures. Get the facts ...

Dec 2, 2025 · Leprosy, chronic infectious bacterial disease that destroys peripheral nerves, resulting in loss of sensation and progressive tissue degeneration.

Jan 15, 2025 · Leprosy, caused by the bacteria Mycobacterium leprae, harms the skin and peripheral nervous system. Learn about the types, causes, symptoms, treatment and more.

Caring and Curing Since 1894The National Hansen's Disease Program is the epicenter of Hansen's disease (leprosy) care, research and information in the U.S.

Leprosy is a chronic infection usually caused by the acid-fast bacilli Mycobacterium leprae or the closely related organism M. lepromatosis. These organisms have a unique tropism for peripheral nerves, …