 121 citations
,
  June 2010   in “Australasian Journal of Dermatology”
           121 citations
,
  June 2010   in “Australasian Journal of Dermatology”    Most people on isotretinoin had chapped lips, but only a few stopped the medicine due to side effects.  
               31 citations
,
  February 1982   in “Archives of dermatology”    Etretinate was effective for certain skin conditions, but caused side effects like chapped lips, dry mucous membranes, and hair loss.  
      January 2024   in “Biological trace element research”
           January 2024   in “Biological trace element research”    Isotretinoin affects trace element levels and requires monitoring of liver and kidney functions.  
               58 citations
,
  November 2018   in “Cochrane library”    Oral isotretinoin may slightly improve acne but increases the risk of side effects like dry lips and skin; more research is needed to understand its full risks and benefits.  
      January 2012   in “Yearbook of Dermatology and Dermatologic Surgery”
           January 2012   in “Yearbook of Dermatology and Dermatologic Surgery”    The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.