A throat lozenge (also known as a cough drop, sore throat sweet, troche, cachou, pastille or cough sweet) is a small, typically medicated tablet intended to be dissolved slowly in the mouth to temporarily stop coughs, lubricate, and soothe irritated tissues of the

throat In vertebrate anatomy, the throat is the front part of the neck, internally positioned in front of the vertebrae. It contains the pharynx and larynx. An important section of it is the epiglottis, separating the esophagus from the trachea (windpip ...

(usually due to a

sore throat Sore throat, also known as throat pain, is pain or irritation of the throat. Usually, causes of sore throat include * viral infections * group A streptococcal infection (GAS) bacterial infection * pharyngitis (inflammation of the throat) * to ...

strep throat Streptococcal pharyngitis, also known as streptococcal sore throat (strep throat), is pharyngitis (an infection of the pharynx, the back of the throat) caused by ''Streptococcus pyogenes'' a gram-positive, group A streptococcus. Common sympto ...

), possibly from the

common cold The common cold or the cold is a viral infectious disease of the upper respiratory tract that primarily affects the respiratory mucosa of the nose, throat, sinuses, and larynx. Signs and symptoms may appear fewer than two days after expos ...

influenza Influenza, commonly known as "the flu", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue. These symptom ...

. Cough tablets have taken the name lozenge, based on their original shape, a diamond.

Ingredients

Lozenges may contain

benzocaine Benzocaine, sold under the brand name Orajel amongst others, is an ester local anesthetic commonly used as a topical pain reliever or in cough drops. It is the active ingredient in many over-the-counter anesthetic ointments such as products ...

, an

anaesthetic An anesthetic (American English) or anaesthetic (British English; see spelling differences) is a drug used to induce anesthesia ⁠— ⁠in other words, to result in a temporary loss of sensation or awareness. They may be divided into two ...

, or

eucalyptus oil Eucalyptus oil is the generic name for distilled oil from the leaf of ''Eucalyptus'', a genus of the plant family Myrtaceae native to Australia and cultivated worldwide. Eucalyptus oil has a history of wide application, as a pharmaceutical, anti ...

. Non-menthol throat lozenges generally use either

zinc gluconate glycine Zinc gluconate is the zinc salt of gluconic acid. It is an ionic compound consisting of two anions of gluconate for each zinc(II) cation. Zinc gluconate is a popular form for the delivery of zinc as a dietary supplement providing 14.35% eleme ...

pectin Pectin ( grc, πηκτικός ': "congealed" and "curdled") is a heteropolysaccharide, a structural acid contained in the primary lamella, in the middle lamella, and in the cell walls of terrestrial plants. The principal, chemical component o ...

as an oral demulcent. Several brands of throat lozenges contain

dextromethorphan Dextromethorphan (DXM) is a medication most often used as a cough suppressant in over-the-counter cold and cough medicines. It is sold in syrup, tablet, spray, and lozenge forms. In 2022, the FDA approved a formulation of it combined with b ...

. Other varieties such as Halls contain

menthol Menthol is an organic compound, more specifically a monoterpenoid, made synthetically or obtained from the oils of corn mint, peppermint, or other mints. It is a waxy, clear or white crystalline substance, which is solid at room temperature ...

, peppermint oil and/or spearmint as their active ingredient(s).

Honey Honey is a sweet and viscous substance made by several bees, the best-known of which are honey bees. Honey is made and stored to nourish bee colonies. Bees produce honey by gathering and then refining the sugary secretions of plants (primar ...

lozenges are also available. The purpose of the throat lozenge is to calm the irritation that may be felt in the throat while swallowing, breathing, or even drinking certain fluids. However, one study found that excessive use of menthol cough drops can prolong coughs rather than relieve them.

History

Candies to soothe the throat date back to 1000 BC in

Egypt Egypt ( ar, مصر , ), officially the Arab Republic of Egypt, is a List of transcontinental countries, transcontinental country spanning the North Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via a land bridg ...

's Twentieth Dynasty, when they were made from honey flavored with

citrus ''Citrus'' is a genus of flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, lemons, grapefruits, pomelos, and limes. The genus ''Citrus'' is native to ...

, herbs, and spices. In the 19th century, physicians discovered

morphine Morphine is a strong opiate that is found naturally in opium, a dark brown resin in poppies ('' Papaver somniferum''). It is mainly used as a pain medication, and is also commonly used recreationally, or to make other illicit opioids. T ...

and

heroin Heroin, also known as diacetylmorphine and diamorphine among other names, is a potent opioid mainly used as a recreational drug for its euphoric effects. Medical grade diamorphine is used as a pure hydrochloride salt. Various white and bro ...

, which suppress coughing at its source—the brain. Popular formulations of that era included Smith Brothers Cough Drops, first advertised in 1852, and Luden's, created in 1879. Concern over the risk of opioid dependence led to the development of alternative medications.

Brands

* Cēpacol *

Chloraseptic Chloraseptic is an American brand of oral analgesic that is produced by Tarrytown, New York-based Prestige Consumer Healthcare, used for the relief of sore throat and mouth pain. Its active ingredient is phenol (just in Sore Throat Spray, not i ...

Fisherman's Friend Fisherman's Friend is a brand of strong menthol lozenges manufactured by the Lofthouse company in Fleetwood, Lancashire, England. History Fisherman's Friend was originally developed by pharmacist James Lofthouse in 1865 to relieve vario ...

* Halls *

Läkerol Läkerol is a Swedish brand of candies. The candies are sugar-free pastilles with the major ingredient being gum arabic. The candies are produced in a variety of flavors. The candy is produced by the Swedish confectionery company, Cloetta. L� ...

Lockets Lockets are a confectionery produced by the Wrigley Company in the UK and Czech Republic. They are sold as medicated supplement to help nasal congestion and sore throats. Flavours They are available in multiple flavours including cranberry and ...

* Luden's * Pine Bros. * Ricola *

Robitussin Cold medicines are a group of medications taken individually or in combination as a treatment for the symptoms of the common cold and similar conditions of the upper respiratory tract. The term encompasses a broad array of drugs, including ...

* Smith Brothers *

Strepsils Strepsils is a brand of throat lozenges manufactured by Reckitt. Strepsils throat lozenges are used to relieve discomfort caused by mouth and throat infections. Ingredients The primary active ingredients are dichlorobenzyl alcohol and amylmeta ...

* Sucrets *

Ülker Ülker is a Turkish multinational food and beverage manufacturer based in Istanbul, Turkey. Its products are exported internationally, to 110 countries. Ülker's core products are biscuits, cookies, crackers, and chocolates, although it has ex ...

* Troketts * Tunes *Tyrozets (now discontinued) * Vicks * Strep-Drops * Victory V * Vigroids * Zubes (now discontinued)

References

External links

Ingredients of a throat lozenge
Health Canada {{DEFAULTSORT:Throat Lozenge Drug delivery devices Dosage forms

Ingredients

History

Brands

See also

References

External links