2 4 dichlorobenzyl alcohol amylmetacresol levomentholstrepsils sore throat and cough lozenges contain two antiseptic ingredients 2 4 dichlorobenzyl alcohol and amylmetacresol for use in throat medicationsthese are used for the symptomatic relief of mouth and throat infections and dry irritating coughs associated with the common cold and nasal congestionthe levomenthol ingredient has mild local anesthetic action on the throat and also relieves the symptoms of nasal