Linctus is a term commonly used in the medical field to describe a medicine used for treating coughs. However, there are other terms that can be used in place of linctus when describing this type of medication. These include cough medicine, cough syrup, cough remedy, cough suppressant, and chesty cough relief. Each of these terms are essentially synonyms for linctus and are used interchangeably by healthcare professionals and patients alike. While these terms may differ slightly, they all have the same goal of providing relief to those suffering from coughs and other related respiratory illnesses.