“…1,2 Since then, two other cases of AO-linked PU (also with Anso ® ) have been reported. 3,4 Contrarily, Hemoal Forte ® contains no corticosteroids but ephedrine (2 mg/g), potentially causing sympathomimetic vasoconstrictive effects, and benzocaine (60 mg/g), an ester-like local anaesthetic, extensively known for its allergenic properties that have also been described as an irritative cause of perianal erosive dermatitis in several patients. 5,6 However, most reported similar cases (of great clinical and histological resemblance to our case) with erosive dermatitis or cutaneous ulcerations associated with AO or other topical drugs collected by a literature review (Table 1), failed to sufficiently exclude contributing ACD since in most of them either questionable patch test results were presented or no patch test was performed at all.…”