<prompt> Drug of choice for Norwegian scabiespermethrin 5Lindane1Oral ivermectinSulphur6  <response>: Drug of choice for Norwegian scabies - Oral ivermectin 200ugkgdose, two doses 10 days apa. topicals are not effective in the treatment as the crusted plaques will hinder the absorption of topical drugs. iadvl textbook of dermatology page 459 