What adverse effects have been reported with short-term use of 2,4-dichlorobenzyl alcohol and amylmetacresol at over-the-counter doses?

Reported effects of short-term OTC-dose 2,4-dichlorobenzyl alcohol and amylmetacresol in Strepsils Honey and Lemon include hypersensitivity (rash, hives or angioedema, potentially causing face, neck, throat or tongue swelling affecting breathing), tongue pain and oral discomfort, all of unknown frequency.