In which of the following conditions is phototherapy, specifically ultraviolet light therapy, useful for treatment?
APsoriasis
BTinea corporis
CPemphigus
DPMLE
Benzoyl peroxide acts in acne vulgaris by:
ADecreasing bacterial count
BReduces sebum production
CActs as a keratolytic agent
DIncreases epithelial turnover
An adolescent male presents with severe acne lesions and sinus tracts. Which is the most effective drug for this condition?
AMinocycline
BDoxycycline
CIsotretinoin
DTopical dapsone
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