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6 Cards in this Set

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What are the most common causes of erythematous macules or papules in adults?
1. Drug reactions
2. Viral infections (aka viral exanthem)
How is a rash caused by scabies different from rashes caused by drug reactions or viral infection?
Scabie rashes usually cause more localized papular eruptions. Drug reactions and viral infection cause a more diffuse maculopapular rash.
How can I distinguish viral from drug-related rashes?
Both cause a diffuse truncal rash, history will best delineate the likely cause. If a new medication was recently, espcially a sulfa antibiotic or penicillin, a drug reaction is likely. If viral symptoms are present, a viral exanthem is more likely.
How do you treat drug rashes?
Remove the offending drug
How do you treat viral exanthems?
You don't. They resolve spontaneously.
Scabies can cause papules and can crust over due to scratching. Although it can be widespread, where is scabies generally localized?
wrists, axillae, waist or male genitals