- Baby Acne
- Back Pain
- Bacterial Vaginosis
- Bad Breath
- Bags Under Eyes
- Baker'S Cyst
- Balance Problems
- Barrett'S Esophagus
- Bartholin'S Cyst
- Basal Cell Carcinoma
- Bed-Wetting
- Bedbugs
- Bedsores (Pressure Sores)
- Bee Stings
- Behcet'S Disease
- Bell'S Palsy
- Benign Adrenal Tumors
- Bile Duct Cancer
- Bile Reflux
- Binge Eating Disorder
- Bipolar Disorder
- Bird Flu
- Black Hairy Tongue
- Bladder Cancer
- Bladder Stones
- Blastocystis Infection
- Blepharitis
- Blind Loop Syndrome
- Blisters
- Blocked Tear Duct
- Blood In Urine (Hematuria)
- Body Dysmorphic Disorder
- Body Lice
- Boils And Carbuncles
- Bone Cancer
- Bone Metastasis
- Bone Spurs
- Bone Tumors
- Botulism
- BPD
- BPPV
- Brachial Plexus Injury
- Bradycardia
- Brain Aneurysm
- Brain AVM
- Brain AVMs
- Brain Cancer
- Brain Tumor
- Breast Cancer
- Breast Cysts
- Breast Pain
- Broken Ankle/Broken Foot
- Broken Arm
- Broken Collarbone
- Broken Heart Syndrome
- Broken Leg
- Broken Nose
- Broken Ribs
- Broken Toe
- Broken Wrist/Broken Hand
- Bronchiolitis
- Bronchitis
- Brucellosis
- Brugada Syndrome
- Bruxism (Teeth Grinding)
- Buerger's Disease
- Bulimia Nervosa
- Bullous Pemphigoid
- Bundle Branch Block
- Burkitt Lymphoma
- Burning Mouth Syndrome
- Bursitis