Conditions
Calcific Tendonitis
Calcific tendonitis is a common condition where calcium deposits form in your tendons, most often in the rotator cuff tendons of your shoulder. This…
Burkitt Lymphoma
Burkitt lymphoma is a rare, fast-growing cancer that starts in immune cells called B-lymphocytes. It is a type of non-Hodgkin lymphoma. This aggressive cancer…
Bundle Branch Block
Bundle branch block is a condition where electrical signals in your heart are delayed or blocked, causing your heart's lower chambers (ventricles) to beat…
Brugada Syndrome
Brugada syndrome is a rare, inherited heart condition that affects the heart's electrical system, specifically how electrical signals move through the lower chambers (ventricles).…
Broken Hand
A broken hand, also known as a hand fracture, means one or more of the 27 bones in your hand has cracked or broken.…
Brittle Diabetes
Brittle diabetes, also known as labile diabetes, is a descriptive term for a rare and severe form of type 1 diabetes. It means your…
Branchial Cleft Cyst
A branchial cleft cyst is a type of birth defect that appears as a lump or opening, usually on one side of the neck…
Brachioradial Pruritus
Brachioradial pruritus is a chronic (long-lasting) condition characterized by intense itching, burning, or stinging sensations, typically affecting the skin on one or both arms,…
Bone Metastasis
Bone metastasis occurs when cancer cells from a primary tumor, such as breast or lung cancer, spread to the bones. This is a secondary…
Body Dysmorphic Disorder
Body Dysmorphic Disorder (BDD) is a mental health condition where you cannot stop thinking about one or more perceived flaws in your appearance. These…
Blood Disorders
Blood disorders are conditions that affect one or more parts of your blood, such as red blood cells, white blood cells, platelets, or plasma.…
Blood Clotting Disorders
Blood clotting disorders affect your body's ability to form blood clots properly. These conditions can cause either too much clotting, leading to dangerous blockages…
Blepharospasm
Blepharospasm is an uncommon condition that causes involuntary spasms or twitching of your eyelids, usually affecting both eyes. These spasms can range from mild,…
Bladder Stones
Bladder stones are hard masses of minerals that form inside your bladder. They can develop when urine becomes too concentrated, allowing minerals to crystallize.…
Bladder Inflammation
Bladder inflammation, also known as cystitis, is a common condition where your bladder becomes irritated and swollen. It often causes discomfort, a strong urge…
Bipolar Disorder in Children
Bipolar disorder in children is a serious mental health condition marked by extreme shifts in mood, energy, and activity levels. These changes go beyond…
Biliary Dyskinesia
Biliary dyskinesia is a condition where your gallbladder doesn't squeeze (contract) properly to release bile, or the valve that controls bile flow (sphincter of…
Biliary Atresia
Biliary atresia is a rare liver disease affecting newborns where the bile ducts, which carry bile from the liver, are blocked or absent. This…
Bile Reflux
Bile reflux occurs when bile, a digestive fluid made in your liver, flows backward from your small intestine into your stomach and sometimes into…
Bicuspid Aortic Valve
Bicuspid aortic valve (BAV) is a heart condition present at birth where the aortic valve, which controls blood flow from the heart to the…
Beta Thalassemia
Beta thalassemia is a genetic blood disorder where your body makes less hemoglobin (a protein in red blood cells) or abnormal hemoglobin. Hemoglobin carries…
Babesiosis
Babesiosis is a rare, serious infection caused by tiny parasites (Babesia) that infect red blood cells. It is usually spread through the bite of…
Avascular Necrosis
Avascular necrosis (AVN) is a condition where bone tissue dies because it loses its blood supply. This can lead to tiny breaks in the…
Autonomic Dysreflexia
Autonomic dysreflexia is a sudden, dangerous overreaction of your body's involuntary nervous system. It primarily affects people with a spinal cord injury (SCI) at…