Itching associated with linear IgA deposition in dermal papillae is a feature of:
The cutaneous lesions of Dermatitis herpetiformis (DH) in childhood resemble those in adult and are severely pruritic papulovesicles. DH is associated with granular deposition of IgA antibody within the dermal papillae. Ref: Cambridge Textbook of Accident and Emergency Medicine edited by David V. Skinner, Andrew Swain, Colin Robeson, J. W. Rodney Peyton, 1997, Page 1051
Bullous disease of childhood
Lichenoid bullous disease
Dermatitis herpetiformis
Pemphigus vulgaris