Tumid lupus erythematosus can cause non-scarring hair loss on the scalp and requires careful diagnosis.
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January 2014 in “Pediatric annals” A 21-day-old baby had a skin rash that didn't improve with cream and wasn't caused by a fungus.
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October 2016 in “Veterinary dermatology” Dogs with generalized discoid lupus erythematosus have similar symptoms to humans and need continuous treatment.
August 2020 in “European Journal of Dermatology” Dutasteride for hair loss can cause skin reactions like itchy red plaques.
September 2022 in “Anais Brasileiros de Dermatologia” Dermoscopy helped diagnose a rare skin disease which slightly improved with treatment.