trachitol trachitol trachitol is a brand of lozenge used as an over-the-counter drug for having a sore throat. it is being produced by engelhard arzneimittel gmbh&co and distributed by salveo pharma bv. trachitol packages are available with 20 or 30 lozenges. trachitolproduced byengelhard arzneimittel gmbh&cocountrynetherlandsintroduced1960'swebsitehttp://www.trachitol.nl/ every lozenge contains the following substances: 1 mg lidocaine for local anesthesia. 1 mg potassium alum for astringent. 1,8 mg propylparaben for desinfection.