Disease Directory

Bonnemann-Meinecke-Reich syndrome is a rare condition that affects development from an early age. It is known as a syndrome of multiple congenital ano...

Boomerang dysplasia is a rare, lethal skeletal dysplasia. It is characterized by severe short-limbed dwarfism, dislocated joints, club feet, and disti...

Borjeson-Forssman-Lehmann syndrome is an X-linked condition that affects multiple parts of the body. People with this condition may experience intelle...

Bosch-Boonstra-Schaaf optic atrophy syndrome is a rare, inherited condition that affects development and vision. People with this condition often expe...

Bosley-Salih-Alorainy syndrome (BSAS) is a rare condition that affects multiple parts of the body. It is known for causing problems with eye movement,...

Bothnia retinal dystrophy is a rare inherited eye disease that mostly affects people in Northern Sweden. It usually shows up in early childhood and be...

Bowen disease of the skin is a form of squamous cell carcinoma in situ. This condition starts in the top layer of the skin and does not invade deeper...

Bowen-Conradi syndrome is a rare genetic condition that affects the growth and development of children before and after birth. People with this condit...

Brachymorphism-onychodysplasia-dysphalangism (BOD) syndrome is a very rare condition that affects the development of the bones and nails. People with...

Braddock syndrome is a rare malformation condition that has been described in two siblings. It involves multiple congenital abnormalities that form a...

Brazilian hemorrhagic fever, also known as Sabia hemorrhagic fever, is a rare viral illness caused by the Sabia virus, a newly discovered arenavirus....

Brill-Zinsser disease is a delayed relapse of epidemic typhus. It is caused by the bacterium Rickettsia prowazekii and occurs in people who have had e...

Brody myopathy is a rare, inherited muscle condition that mainly affects the skeletal muscles used for movement. It typically starts in childhood and...

Brooke-Spiegler syndrome (BSS) is a rare genetic condition in which people develop tumors on their skin. These tumors come from skin appendages and in...

Brown-Vialetto-van Laere syndrome 1 is a rare condition caused by a mutation in the SLC52A3 gene. This genetic change affects the body’s ability to tr...

Brown-Vialetto-van Laere syndrome 2 is a rare genetic disorder that is caused by a mutation in the SLC52A2 gene. This condition is one of a group of d...

Brucella abortus brucellosis is an infection caused by the bacterium Brucella abortus. This bacterium is commonly found in cattle and can be passed fr...

Brucella canis brucellosis is an infection caused by the bacterium Brucella canis. This disease affects both dogs and humans, which makes it important...

Brucella melitensis brucellosis is an infection caused by the bacterium Brucella melitensis. This bacterium is known to affect cattle, goats, and shee...

Brucella suis brucellosis is a condition caused by an infection with the bacteria Brucella suis. This disease is part of the brucellosis group of infe...