Keratoderma is/are seen in
C i.e. Pityriasis rubra pilaris Keratoderma is seen in PRP, psoriasis, Reiter's syndrome (keratoderma blenorrhagica), arsenic and Haxthausen's disease.
Pemphigus
Pityriasis rosea
Pityriasis rubra pilaris
Dermatitis herpetiformis