Gargles, liquids, and capsules which are meant to be used topically inside the throat and mouth in order to heal, cure, or alleviate conditions within that system are known as mouth and throat products.
 
 
Recommended Resources
Consists of a drug description for this oral paste, as well as indications and dosage recommendations, clinical pharmacology, pharmacokinetics, metabolism, and user reviews.
http://www.rxlist.com/aphthasol-drug.htm
The manufacturers of Cepacol maintains this website, which details its medication for sore throat treatment, some of the causes of sore throats, breakdown of various types of sore throats, and frequently asked questions.
http://www.cepacol.com/
Details the throat product Dyna-Hex, which contains chlorhexidine gluconate in its gluconate salt form. Also describes potential side effects, conditions it treats, and videos about the medication.
http://www.medications.com/drugs/dyna-hex