<prompt> Permethrin is used in the topical treatment of:ScabiesTineaAcnePsoriasis  <response>: Ans: a Scabies Ref: Harrison, 16th ed, p. 2601; 17th ed, p. 2798Drugs used in the treatment of scabies5 permethrin cream1 lindaneTopical crotamiton creamBenzyl benzoateSulphur ointmentsIvermectin.Ivermectin is used in a condition called crusted scabies or Norwegian scabies.5 permethrin cream is less toxic when compared to 1 lindane preparation.Lindane is contraindicated in pregnant women and infants because, it is absorbed through skin and its overuse has led to seizures and aplastic anaemia.ScabiesCaused by mite- sarcoptes scabeiClinical features include-itching, vesicles over anterior wrist, interdigital webs.Palms, soles, and scrotum may be involved in infants nodular scabiesBurrows are pathognomonic. 