The document discusses liquid dosage forms (LDFs), which are pharmaceutical products intended for oral or external administration. LDFs can be solutions, suspensions, emulsions, or other forms prepared by dissolving, suspending, or incorporating a drug into a liquid. They offer advantages like ease of dosing and administration compared to solids but also have short shelf lives and accuracy issues. Common LDF types include syrups, elixirs, tinctures, otic/nasal preparations, suspensions, emulsions, and liniments. Additives are often included to improve stability, taste, appearance or antimicrobial properties.