All Diseases that Start with B (Rare, Deadly, and Many More!)

Welcome to our comprehensive exploration of diseases beginning with “B.” In this blog, we’ll delve into a wide array of conditions affecting various parts of the body and beings – from blood, bone, and eye disorders to mental, lung, and skin diseases.

We’ll also cover diseases in dogs and cats, alongside deadly, rare, autoimmune, and bacterial infections. Join us as we navigate this extensive and intriguing world of health and disease.

Top 100 Diseases that Start with B

Below are the top 100 diseases and conditions starting with the letter ‘B’.

  • Brucellosis: Bacterial infection from animals
  • Bronchitis: Inflammation of bronchial tubes
  • Bursitis: Inflammation of fluid-filled sacs
  • Bell’s Palsy: Facial nerve paralysis
  • Bipolar Disorder: Mental health mood swings
  • Botulism: Serious bacterial poisoning
  • Bronchiolitis: Respiratory infection in children
  • Blastomycosis: Fungal lung infection
  • Balanitis: Inflammation of the foreskin
  • Bunion: Bony bump on the big toe
  • Beriberi: Vitamin B1 deficiency
  • Bacterial Vaginosis: Vaginal bacterial imbalance
  • Blepharitis: Eyelid inflammation
  • Bronchiectasis: Damaged airway walls
  • Bowel Cancer: Colon or rectum cancer
  • Biliary Cirrhosis: Liver bile duct disease
  • Babesiosis: Tick-borne parasitic infection
  • Bullous Pemphigoid: Skin blistering disease
  • Becker Muscular Dystrophy: Muscle weakness disorder
  • Barrett’s Esophagus: Esophagus lining changes
  • Bacterial Meningitis: Infection of the meninges
  • Benign Prostatic Hyperplasia: Enlarged prostate
  • Birt-Hogg-Dube Syndrome: Skin and lung condition
  • Binge Eating Disorder: Excessive eating disorder
  • Bartonellosis: Bacterial infection from lice or fleas
  • Brain Aneurysm: Artery bulge in the brain
  • Bubonic Plague: Deadly bacterial infection
  • Bowen’s Disease: Early skin cancer form
  • Basal Cell Carcinoma: Skin cancer type
  • Bronchopulmonary Dysplasia: Lung condition in infants
  • Behcet’s Disease: Blood vessel inflammation
  • Bile Duct Cancer: Cancer of bile ducts
  • Boils: Painful skin infections
  • Buerger’s Disease: Blood vessel inflammation
  • Bacillary Angiomatosis: Bacterial skin infection
  • Black Lung Disease: Coal miner’s lung condition
  • Blastocystis Hominis Infection: Intestinal parasite infection
  • Bird Flu: Avian influenza virus
  • Bacterial Endocarditis: Heart lining infection
  • Bleeding Disorders: Abnormal blood clotting
  • Bloom Syndrome: Growth and development disorder
  • Bladder Cancer: Cancer of the bladder
  • Blau Syndrome: Autoimmune disorder
  • Bile Reflux: Bile backflow into the stomach
  • Brachial Plexus Injuries: Nerve injury in the shoulder
  • Bardet-Biedl Syndrome: Genetic disorder
  • Bovine Spongiform Encephalopathy: “Mad cow disease”
  • Blue Rubber Bleb Nevus Syndrome: Vascular malformation disorder
  • Brown-Sequard Syndrome: Spinal cord injury
  • Biliary Atresia: Blocked bile ducts in infants
  • Birt-Hogg-DubĂ© Syndrome: Rare skin growth disorder
  • Binge-eating Disorder: Frequent overeating
  • Bronchospasm: Tightening of bronchial muscles
  • Balo’s Concentric Sclerosis: Rare brain disorder
  • Bowenoid Papulosis: Genital skin lesions
  • Broca’s Aphasia: Language comprehension issue
  • Branchiootorenal Syndrome: Ear, neck, and kidney malformation
  • Bromhidrosis: Foul-smelling sweat condition
  • Brainerd Diarrhea: Acute infectious diarrhea
  • Bronchogenic Carcinoma: Lung cancer type
  • Bunionette: Small bunion on little toe
  • Bronchial Asthma: Chronic respiratory disease
  • Bejel: Non-venereal syphilis
  • Bacterial Arthritis: Joint infection
  • Brugada Syndrome: Heart rhythm disorder
  • Balo Disease: Rare demyelinating disorder
  • Bronchiolitis Obliterans: Obstructive lung disease
  • Banti’s Syndrome: Spleen and liver disorder
  • Bronchopleural Fistula: Abnormal lung airway connection
  • Bannayan-Riley-Ruvalcaba Syndrome: Genetic disorder
  • Bronchiolitis Obliterans Organizing Pneumonia: Lung condition
  • Blastocystis Infection: Intestinal parasite infection
  • Balo’s Disease: Progressive neurological disorder
  • Bronchopneumonia: Lung infection
  • Budd-Chiari Syndrome: Liver blood flow blockage
  • Blackfan-Diamond Anemia: Bone marrow failure
  • Balo’s Concentric Sclerosis: Demyelinating Brain Disease
  • Bicuspid Aortic Valve: Heart valve malformation
  • Babinski Sign: Neurological reaction
  • Boutonneuse Fever: Mediterranean spotted fever
  • Bacterial Overgrowth Syndrome: Excessive intestinal bacteria
  • Bannwarth Syndrome: Lyme disease complication
  • Bronchostenosis: Narrowing of bronchi
  • Bile Duct Strictures: Bile duct narrowing
  • Bacillary Dysentery: Bacterial intestinal infection
  • Bacillary Angiomatosis: Bacterial skin and organ infection
  • Bradykinesia: Slowness in movement
  • Birdshot Chorioretinopathy: Eye inflammation
  • Brain Abscess: Brain infection
  • Bacterial Prostatitis: Prostate gland infection
  • Biliary Colic: Gallbladder pain
  • Bloom’s Syndrome: Genetic skin disorder
  • Biotinidase Deficiency: Metabolic disorder
  • Bronchial Adenoma: Lung tumor
  • Bacillus Anthracis Infection: Anthrax
  • Bromidrosiphobia: Fear of body odors
  • Blastomycosis Dermatitidis: Skin fungal infection
  • Bilharzia (Schistosomiasis): Parasitic infection
  • Brachial Plexopathy: Nerve damage in the arm
  • Batten Disease: Fatal neurodegenerative disorder

Also, Check:

Medical Terms That Start With B

Fitness Words That Start With B

Rare Diseases That Start With B

  1. Balo’s Concentric Sclerosis
  2. Bannayan-Riley-Ruvalcaba Syndrome
  3. Bardet-Biedl Syndrome
  4. Batten Disease
  5. Bejel
  6. Biliary Atresia
  7. Birt-Hogg-Dube Syndrome
  8. Blackfan-Diamond Anemia
  9. Blau Syndrome
  10. Bloom Syndrome
  11. Blue Rubber Bleb Nevus Syndrome
  12. Bowenoid Papulosis
  13. Brachial Plexopathy
  14. Brachial Plexus Injuries
  15. Brainerd Diarrhea

Deadly Diseases That Start With B

  1. Bacterial Meningitis
  2. Bile Duct Cancer
  3. Bladder Cancer
  4. Blastomycosis
  5. Bovine Spongiform Encephalopathy
  6. Brain Abscess
  7. Brain Aneurysm
  8. Bronchogenic Carcinoma
  9. Bubonic Plague
  10. Budd-Chiari Syndrome
  11. Bullous Pemphigoid
  12. Burkitt’s Lymphoma
  13. Bacterial Endocarditis
  14. Bacillus Anthracis Infection
  15. Barrett’s Esophagus

Explore More Diseases Starting With:


Stay with us as we continue our journey through the alphabet of diseases. In the next section, we’ll explore a variety of diseases sorted by type, offering you a more detailed look into the complexities of each category.

Other Diseases Beginning With B (Divided By Type)

Autoimmune Diseases That Start With B

  • Behcet’s Disease
  • Biliary Cirrhosis
  • Blau Syndrome
  • Buerger’s Disease
  • Bullous Pemphigoid
  • Balo’s Concentric Sclerosis
  • Bannayan-Riley-Ruvalcaba Syndrome
  • Biotinidase Deficiency
  • Birt-Hogg-Dube Syndrome
  • Bloom Syndrome
  • Bradykinesia
  • Bromhidrosis
  • Balo Disease
  • Bachmann-Bupp Syndrome
  • Bechet’s Disease Variant

Blood Diseases That Start With B

  • Bacterial Meningitis
  • Basal Cell Carcinoma
  • Benign Prostatic Hyperplasia
  • Bile Duct Cancer
  • Biliary Atresia
  • Biliary Cirrhosis
  • Birt-Hogg-Dube Syndrome
  • Blastomycosis
  • Bleeding Disorders
  • Blood Clotting Disorders
  • Bloom Syndrome
  • Blue Rubber Bleb Nevus Syndrome
  • Bovine Spongiform Encephalopathy
  • Burkitt’s Lymphoma
  • Banti’s Syndrome

Bone Diseases That Start With B

  • Bacterial Arthritis
  • Bannayan-Riley-Ruvalcaba Syndrome
  • Batten Disease
  • Becker Muscular Dystrophy
  • Behcet’s Disease
  • Bell’s Palsy
  • Benign Prostatic Hyperplasia
  • Biliary Atresia
  • Bilharzia (Schistosomiasis)
  • Birt-Hogg-Dube Syndrome
  • Blau Syndrome
  • Bone Cancer
  • Bone Marrow Diseases
  • Bowen’s Disease
  • Brachial Plexopathy

Eye Diseases That Start With B

  • Behcet’s Disease
  • Bell’s Palsy
  • Bietti’s Crystalline Dystrophy
  • Bilateral Retinoblastoma
  • Birdshot Chorioretinopathy
  • Blepharitis
  • Blepharospasm
  • Blindness
  • Bowen’s Disease
  • Brain Aneurysm (affecting vision)
  • Branch Retinal Vein Occlusion
  • Brown Syndrome
  • Burkitt’s Lymphoma (ocular)
  • Bacterial Keratitis
  • Bacterial Conjunctivitis

Ear Diseases That Start With B

  • Barotrauma
  • Basal Cell Carcinoma (affecting the ear)
  • Behcet’s Disease (ear symptoms)
  • Bell’s Palsy (affecting the ear)
  • Benign Paroxysmal Positional Vertigo
  • Bilateral Vestibular Schwannoma
  • Blast Injury to the Ear
  • BPPV (Benign Paroxysmal Positional Vertigo)
  • Brachial Plexus Neuropathy (affecting ear nerves)
  • Brain Abscess (affecting hearing)
  • Branchiootorenal Syndrome
  • Bromidrosiphobia (fear of ear odor)
  • Bacterial Ear Infections
  • Barre-Lieou Syndrome
  • Basilar Artery Migraine (ear symptoms)

Hand Diseases That Start With B

  • Bacterial Arthritis
  • Bannayan-Riley-Ruvalcaba Syndrome
  • Batten Disease
  • Becker Muscular Dystrophy
  • Behcet’s Disease
  • Benign Prostatic Hyperplasia
  • Bile Duct Cancer
  • Bilharzia (Schistosomiasis)
  • Birt-Hogg-Dube Syndrome
  • Blastomycosis
  • Bowen’s Disease
  • Bowenoid Papulosis
  • Brachial Plexus Injuries
  • Brachial Plexus Neuropathy
  • Brachydactyly

Lung Diseases That Start With B

  • Bacterial Pneumonia
  • Bacterial Tracheitis
  • Balsam of Peru Allergy
  • Bannayan-Riley-Ruvalcaba Syndrome (lung manifestations)
  • Barotrauma
  • Basal Cell Carcinoma (affecting lungs)
  • Berylliosis
  • Birt-Hogg-Dube Syndrome (lung cysts)
  • Blastomycosis
  • Bleomycin Toxicity
  • Bloom Syndrome (lung involvement)
  • Bronchiectasis
  • Bronchiolitis
  • Bronchiolitis Obliterans
  • Bronchopulmonary Dysplasia

Liver Diseases That Start With B

  • Bacterial Hepatitis
  • Bile Duct Cancer
  • Biliary Atresia
  • Biliary Cirrhosis
  • Biliary Colic
  • Bile Duct Strictures
  • Bile Reflux
  • Bilharzia (affecting the liver)
  • Budd-Chiari Syndrome
  • Banti’s Syndrome
  • Bacteroides Infection
  • Bartonellosis (affecting liver)
  • Benign Liver Tumors
  • Biliary Dyskinesia
  • Bilirubin Encephalopathy

Heart Diseases That Start With B

  • Bacterial Endocarditis
  • Bicuspid Aortic Valve
  • Brugada Syndrome
  • Bundle Branch Block
  • Bacterial Myocarditis
  • Barlow’s Syndrome
  • Barth Syndrome
  • Bland-White-Garland Syndrome
  • Broken Heart Syndrome (Stress Cardiomyopathy)
  • Brachycardia
  • Basilar Artery Thrombosis
  • Becker Muscular Dystrophy (heart complications)
  • Behcet’s Disease (cardiac symptoms)
  • Bicuspid Aortic Stenosis
  • Bilateral Pulmonary Embolism

Skin Diseases That Start With B

  • Basal Cell Carcinoma
  • Behcet’s Disease (skin lesions)
  • Bell’s Palsy (skin effects)
  • Benign Prostatic Hyperplasia (skin symptoms)
  • Bile Duct Cancer (jaundice, skin symptoms)
  • Birt-Hogg-Dube Syndrome (skin lesions)
  • Black Hairy Tongue
  • Blau Syndrome (dermatological symptoms)
  • Bowen’s Disease
  • Bromhidrosis
  • Bullous Pemphigoid
  • Bacterial Skin Infections
  • Bacterial Folliculitis
  • Bacteroides Infection (skin symptoms)
  • Barber’s Itch

Bacterial Infections That Start With B

  • Bacterial Endocarditis
  • Bacterial Meningitis
  • Bacterial Pneumonia
  • Bacterial Vaginosis
  • Bacteroides Infection
  • Bacillus Anthracis Infection
  • Bacillary Angiomatosis
  • Bacillary Dysentery
  • Bartonellosis
  • Blastomycosis
  • Borrelia Infection
  • Brucellosis
  • Burkholderia Infection
  • Botulism
  • Bubonic Plague

Our next sections will focus on specific animal diseases, providing valuable insights for pet owners and animal enthusiasts alike.

Dog Diseases That Start With B

  • Black Skin Disease
  • Bone Cancer
  • Boxer Cardiomyopathy
  • Brachycephalic Respiratory Syndrome
  • Brain Tumors
  • Bromide Toxicity
  • Bronchiectasis
  • Bulldog Camptocormia
  • Bullous Autoimmune Skin Diseases
  • Bumblefoot (Ulcerative Pododermatitis)
  • Burkholderia Infection
  • Butterfly Vertebrae
  • Button Batteries Ingestion
  • Babesia Infection
  • Bacillus Cereus Infection

Cat Diseases That Start With B

  • Bartonella Infection
  • Basal Cell Tumors
  • Biliary Tract Disorders
  • Biting Lice Infestation
  • Black Spot Poisoning
  • Blastomycosis
  • Bordetellosis
  • Bowen’s Disease
  • Brain Tumors
  • Bronchial Asthma
  • Bubonic Plague
  • Buccal Mucosal Bleeding Time (BMBT)
  • Bullous Impetigo
  • Burmese Hypokalemic Polymyopathy
  • Bacillus Cereus Infection

diiseases that start with b

Last updated on November 10th, 2023 at 03:26 pm