A rarely cited double-blind study in 1982 reported that a course of oral<unk>  usually hyposensitized subjects, with the principal side effect, pruritus ani, being reported by 85% of the participants who ingested the<unk> .
Urushiol-induced contact dermatitis
Phototoxic tar dermatitis
Allergic contact dermatitis
Blister beetle dermatitis
Autosensitization dermatitis
Rodent mite dermatitis
Contact dermatitis
Irritant contact dermatitis