What is a lozenge?

A lozenge is specifically defined as a medicated tablet that dissolves in the mouth, providing therapeutic effects as it releases its active ingredients while being dissolved. This method of delivery is particularly effective for localized treatment, such as soothing a sore throat or delivering medication to the oral cavity, as it allows for absorption through the mucous membranes directly into the bloodstream. The design of a lozenge helps to prolong the contact time of the medication in the mouth, enhancing its effectiveness.

In contrast, the other options refer to different forms or methods of medication delivery that do not fit the definition of a lozenge. For instance, medications absorbed through the skin pertain to transdermal systems, while solid forms of liquid medicine and capsules used in injections denote entirely different drug formulations. Understanding the precise characteristics of a lozenge is essential as it underscores its specific use and benefits in medical treatments.