<prompt> 8 year old boy has itchy rash all over the body, all family members are affected. What is the drug of choice-IvermectinTopic permethrinPrednisoloneAntibiotics  <response>: Ans. is b i.e., Topic permethrin This boy is having scabies. Topical permethrin is the DOC for scabies Treatment of scabies Scabicide Method of use Topical Permethrin 5 - Drug of choice Single aplication of 12 hour. Gamma benzen hexachloride BHC 1 Single application for a hour Benzyl-Bezoate 25 Three applications at 12 hourly intervals Crotamiton 10 Two application daily 14 days o Malathion 0.5 Oral Ivermectin Single dose 200 mgkg body-weight, repeat after 2 weeks Note : BHC is not safe in pregnancy and children 2 years as it can cause neurotoxicity 