Complaint of an Itchy Red rash

A 45-year-old female presents with a complaint of an itchy red rash on her arms and legs for about two weeks. Subjective: She has been going on a daily basis to the local YMCA with children for Summer camp.

Objective Data: 

(T) 98.3°F; (RR) 18; (HR) 70, regular; (BP) 118/74

healthy-appearing female in no acute distress

EYES: no injection, no increase in lacrimation or purulent drainage;
EARS: normal
TM: Normal

CTA AP&L

mild edema with inflammation located on forearms, upper arms, and chest wall, thighs and knees; primary lesions are a macular papular rash with secondary linear excoriations on forearms and legs

 

Questions:

  1. What other subjective data would you obtain?
  2. What other objective findings would you look for?
  3. What diagnostic exams do you want to order?
  4. Name 3 differential diagnoses based on this patient presenting symptoms?
  5. Give rationales for your each differential diagnosis.

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