Corticosteroid-responsive part simply means that the dermatosis is responsive to that particular class of drugs. ChaCha! [ Source: http://www.chacha.com/question/what-are-pruritic-manifestations-and-what-is-a-corticosteroid%26%2345%3Bresponsive-dermatoses ].hat are pruritic manifestation of corticosteroid-responsive derm...? http://wiki.answers.com/Q/What_are_pruritic_manifestation_of_corticosteroid-responsive_dermatoses&src=ansTT.