• Hypersensitivity, manifested by generalized nummular eczematous and papular dermatitis, and presumably by contact urticaria, developed in a 47-year-old man after four years of using oral and topical aloe. Patch tests for aloe were positive in this patient.
(Arch Dermatol 116:1064-1065, 1980)
David M. Morrow, Marvin J. Rapaport, Richard A. Strick. Hypersensitivity to Aloe. Arch Dermatol. 1980;116(9):1064–1065. doi:10.1001/archderm.1980.01640330102026