Rashes: temporary eruptions of the skin
Lesions: refers to any traumatic or pathologic loss of normal tissue continuity
Blisters : fluid-filled vesicle
Callus: Hyperplasia of dead keratinized cells of the stratum corneum of skin
Corns : small, well-circumscribed area of hardened skin cells
Keloids: elevated, round and firm scar
Pruritus: itching due to unmyeltinated C fibers
Tinea – fungal infection
- Tinea of body
- Tinea of scalp
- Tinea of foot (athletes foot)
- Tinea of hands
- Tinea of nails ( common in toe nails)
- Candidiasis (yeast infection)
Bacterial Infections of Skin
Impetigo : caused by staphylococcus, common in infants
- when primary lesion ruptures, honey- colour liquid comes out, hardens on skin and causes honey coloured crust
Viral infections of skin
Verrucae : warts
Herpes Simplex
HSV-1 : cold sores
HSV-2 : genital
Herpes zoster: shingles
Varicella zoster : chickenpox
Arthropod Infestations
Scabies: mites laying eggs in your skin. Itchy
Pediculosis: lice
Acne: acne vulgaris, acne conglobata, acne rosacea
Acne Vulgaris: In teens, in the T-zone of face
Acne conglobata: chronic form, very inflammatory
Acne Rosacea: chronicc, inflammatory process in older adults with unknown cause
Boils aka Furuncles : inflammation of hair follicles caused by staphylococcus Aureus
Cellulitis: Infection of dermis and subcutaneous tissue by Staph or group B Strep
- deeper infections caused by Strep
- Bacteria can cause necrotizing fasciitis
Hives aka Urticaria: development of edematous welts, typically from allergic reaction
Psoriasis: chronic, relapsing, proliferative, inflammatory skin disorder
- -characterized by plaque
Decubitis Ulcers aka pressure ulcers : ischemic lesions of skin and undying structures from external pressure

Leave a Reply