Microbial Diseases of the Skin and Eyes

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Chapter 21

• Microbial Diseases of the Skin and Eyes

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Structure and function of skin

• Epidermis
• Dermis
• Mucous membranes

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Normal Flora of the skinMicrobial diseases of
the skin

• Bacterial diseases
• Vesicles
• Bulla
• Macule
• Pustule

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Staphylococcal infections

• Coagulase negative
• Usually Staphylococcus epidermidis

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Staphylococcal infections

• Coagulase positive
• Usually Staphylococcus aureus
• May produce toxins

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Staphylococcal infections

• Sty
• Impetigo
• Scalded skin syndrome
• Toxic shock syndrome

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Streptococcal infections
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Erysipelas
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Impetigo
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Necrotizing fasciitis flesh eating bacteria

• Exotoxin becomes superantigen so immune system
  contributes to damage
• Often associated with Toxic Shock Syndrome

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Psuedomonal infections

• Dermatitis
• Otitis externa

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Proprionibacterium infections

• Acne

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Viral diseases of the skin

• Warts
• Smallpox

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Viral diseases of the skin

• Warts
• Smallpox
• Chickenpox
• Reyes syndrome
• Shingles

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Viral diseases of the skin

• Warts
• Smallpox
• Chickenpox
• Shingles
• Herpes simplex

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Viral diseases of the skin

• Warts
• Smallpox
• Chickenpox
• Shingles
• Herpes simplex
• Measles (rubeola)

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Viral diseases of the skin

• Warts
• Smallpox
• Chickenpox
• Shingles
• Herpes simplex
• Measles (rubeola)
• Rubella

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Fungal diseases of the skin

• Cutaneous mycoses

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Fungal diseases of the skin

• Cutaneous mycoses
• Subcutaneous mycoses
• Candidiasis

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Microbial diseases of the eyes

• Conjunctivitis
• Neonatal gonorrheal ophthalmia
• Trachoma

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