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Diagnosing and Managing Common Skin Infections

Explore the identification and management of skin and subcutaneous tissue infections. This content delves into various infectious diseases affecting the skin, enhancing skills in diagnosing and treating these conditions, crucial...

Questions: 6 | Attempts: 10 | Last updated: Aug 4, 2025

Sample Question 1
What is Erysipelas characterized by?

-historically, most common on face, now 70-80% are on the lower extremities

-distinctive type of cellulitis with prominent lymphatic involvement -almost always due to group A strep; occ. Staph aureus -historically, most common on face, now 70-80% are on the lower extremities -painful lesion with bright red, edematous, indurated appearance *sharply demarcated border from adjacent normal skin Tx: -dicloxacillin -nafcillin or oxacillin -cephalexin -cefazolin -erythromycin -Vanco, if MRSA suspected

-painful lesion with bright red, edematous, indurated appearance

-almost always due to group A strep; occ. Staph aureus

Sample Question 2
What is a furuncle?

Deep inflammatory nodule that develops from preceding folliculitis -occur along hair follicles and where we perspire (neck, face, axillae, buttocks) -Staph aureus almost invariably etiologic organism -firm, tender, red nodule that commonly becomes fluctuant and sponteously drains

Superficial wound caused by irritation

Non-inflammatory benign skin growth formed by scar tissue

Type of parasite that feeds on hair follicles

Sample Question 3
What is a carbuncle?

A rare type of gemstone with mystical healing properties.

A type of exotic fruit found in tropical regions.

More extensive process extending into sub-Q fat, where multiple septated abscesses develop -pt. may be acutely ill with systemic findings

A minor skin irritation causing slight discomfort.

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