Diseases starting with the alphabet B

Balanitis
Baldness (go to alopecia)
Basal cell cancer
Beau's lines
Becker's naevus
Behcet's syndrome
Birthmarks
Bites, insect bites and stings
Blackheads (go to comedones)
Blisters
Boils (go to furuncles)
Bowen's disease
Brittle nails
Broken capillaries/veins (go to telangiectasias)
Bromhidrosis
Bruises
Bullous pemphigoid (go to pemphigus and bullous pemphigoid)
Burns and scalds