Bacterial Skin Infections Flashcards
superficial infection of the skin involving only the dermis that can progress to deeper skin infections (cellulitis) and systemic illness
erysipelas
what is the etiology of erysipelas?
beta-hemolytic strep
a patient presents with malaise, fever, chills, localized skin erythema, pain, + crusting/exudate. the lesion is tender, well demarcated, erythematous, glistening, and warm. what is the diagnosis and treatment (3)?
erysipelas
peniciilin VK
dicloxacillin
cephalexin
what is the treatment for erysipelas for a patient that is allergic to PCN? (2)
clindamycin
erythromycin
how should we monitor improvement of erysipelas?
mark edges of infection
highly contagious superficial skin infection that often occurs on the face of children
impetigo
a patient presents with erythematous pruritic lesions with overlying honey colored crusting. what is the diagnosis and first line treatment?
impetigo
topical mupirocin (Bactroban)
what is the treatment for impetigo with multiple or large areas of infection? (3)
PICK ONE:
oral doxycycline
oral trime-sulfa
oral cephalexin
skin infection of the dermis and subcutaneous tissues that can cause systemic illness and become life-threatening
cellulitis
what is the etiology of cellulitis? (4)
strep
staph
(MSSA, MRSA)
a patient presents with area of erythema that is warm, painful, tender, and swelling. progressively worsening fever, chills, malaise. what is the diagnosis and treatment (4 options)?
cellulitis
oral clindamycin
oral doxycycline
oral trime-sulfa
oral cephalexin
what are the treatment options for cellulitis caused by MRSA? (3)
oral clindamycin
oral doxycycline
oral trime-sulfa
what is the treatment for cellulitis if infection is large or associated with temp over 100.4, HR over 90, RR over 20, or WBC over 12K?
IV antibiotics
