Infection: Oral Lesions of Infection Flashcards
Diseases of significance in the head and neck are caused by what two types of bacteria?
Strep and staph
What diseases are caused by staph and strep?
- Impetigo
- Erysipelas
- Strep tonsilitis & pharyngitis
- Scarlet Fever
Impetigo Etiology
Staph Aureus +/- coinfection with Strep Pyogenes
Nonbullous impetigo is ___ more common and usually a mix of what two bacteria?
70%; Mix of strep and staph
Nonbullous impetigo characteristics
- School aged children
- Infection peaks in hot moist climates
- Usually on the lower extremities but can affect head and neck
Nonbullous impetigo Clinical Appearance progression
Red macules or papules -> fragile vesicles -> vesicles rupture and form an amber crust
Nonbullous impetigo buz word
Corn flakes glued to the surface
Nonbullous impetigo diagnosis
Based on clinical appearance
Exfoliative cheilitis, recurrent herpes simplex
Nonbullous impetigo sympatoms
Common: Pruiritis
Uncommon: Lymphangitis, cellulitis, fever
Bullous Impetigo is ____ common; what type of of bacteria?
Less; Staph aureus
Bullous Impetigo typically affects what parts of the body?
Extremities, trunk and face
Bullous Impetigo: What age group is affected?
Infants and newborns
Bullous Impetigo Clinical Appearance Progression
Superficial vesicles -> rapidly enlarge to form larger flaccid bullae -> fluid becomes purulent -> rupture and become covered with this crust termed “lacquer”
Bullous Impetigo Rare Complications
LAD, cellulitis, meningitis, PNA
Both types of impetigo have
Higher prevalence in adult patients with severe systemic conditions including HIV, DM2, Dialysis
Impetigo Dx
Based on clinical appearance, though if no response to standard therapy in 7 days culture to confirm
Impetigo Tx
Typically referral to primary care for definitive treatment.
Non-bollous impetigo with few lesions Tx
Topical antibiotic
Bullous or more extensive lesions Tx
Systemic antibiotic (1 week course cephalexin, dicloxacillin, or amoxicillin-clavulanic acid)
