Learning Objectives:

Upon completion of this section and without lecture notes, the student will be able to

• list six viral, six bacterial, and three fungal pathogens that commonly cause skin disease

• define and describe (where appropriate) common clinical presentations and features, natural history, and common complications for the following viral skin infections:
• roseola infantum (exanthem subitum)
• herpes simplex
• varicella-zoster
• molluscum contagiosum
• human papilloma virus infection
• rubella
• rubeola
• erythema infectiosum

• categorize the common cutaneous manifestations of Human Immunodeficiency Virus (HIV) and provide three examples for each category

• define and describe the following bacterial infections of the skin under the headings of causative agent(s), common clinical presentations, natural history, and common applications (where applicable):
• impetigo - bullous and nonbullous
• ecthyma
• cellulitis
• folliculitis and furunculosis
• scarlet fever
• Staphylococcal scalded-skin syndrome
• toxic shock syndrome
• meningococcal infection
• erythrasma
• pseudomonas - localized cutaneous and systemic
• syphilis
• Lyme disease

• define and describe the following fungal diseases of the skin within the categories of causative agents, common clinical presentations, and basic diagnostic tests:
  • superficial dermatophyte infection
  • deep fungal infections - blastomycosis, coccidioidomycosis, sporotrichosis
  • candidiasis - cutaneous and systemic
  • cryptococcus
  • pityrosporum

• define and describe the following skin infestations within the categories of causative agents, common clinical presentations and complications:
• pediculosis
• scabies