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8 Ιουλ 2023 · The document discusses the key physical and physiological properties these dosage forms should possess. It also describes different types of semi-solid dosage forms and methods for preparing ointments, creams, and pastes, including fusion, trituration, and emulsification methods.
- Semi solid dosage form
This document discusses semisolid dosage forms including...
- Semi solid dosage form
3 Νοε 2016 · This document discusses semisolid dosage forms including ointments, creams, and gels. It defines these forms, describes common ingredients used in their preparation such as bases, preservatives, and gelling agents. Methods of preparation including fusion and emulsification are outlined.
17 Αυγ 2018 · This document provides information on various types of monophasic liquid dosage forms, including their definitions, advantages, disadvantages, examples, and typical formulation methods. It discusses gargles, mouthwashes, throat paints, ear drops, nasal drops, syrups, elixirs, liniments, and lotions.
SEMI-SOLID DOSAGE FORMS. • Semi solid pharmaceutical system comprise a body of product ,which when applied to skin or accessible mucous membranes tends to alleviate or treat a pathological condition or other protection against harmful environment. Ointments.
The physical properties of the dosage form depend on various factors, including the size of the dispersed particles, the interfacial tension between the phases, the partition coefficient of the active ingredient between the phases, and the product rheology.
It defines semisolid dosage forms as dermatological preparations intended for external application to produce local or systemic effects. It notes that semisolids constitute a significant proportion of pharmaceutical dosage forms and have major applications in cosmetics.
In general, semisolid dosage forms are complex formulations having complex structural elements. They are often composed of two phases, one of which is a continuous (external) phase and the other a dispersed (internal) phase.
