Semisolid dosage forms: Paste and Jellies | PPT - SlideShare
2020年9月28日 · Characteristics of paste • Pastes are stiffer than other semisolid dosage forms such as ointments and creams hence they remain stable at site of application. • Because of high powder contents pastes are porous; hence, perspiration can escape.
Semisolid dosage form | PPT - SlideShare
2023年7月8日 · 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.
Pastes | PPT - SlideShare
2018年4月26日 · Pastes are semisolid dosage forms containing a high percentage (50% or more) of insoluble solids dispersed in a suitable base. They adhere well to the skin and are used to treat chronic lesions. Pastes are stiffer than creams and ointments, so they remain stable at the site of application and allow perspiration to escape while not interfering ...
Semisolid Dosage Form - an overview | ScienceDirect Topics
Pastes are pharmaceutical dosage forms in which solid particles are dispersed in a semisolid material. Pastes should be formulated by paying much attention to their resultant spreadability, which determines the uniformity of the dose as well as …
General Chapters: <1151> PHARMACEUTICAL DOSAGE FORMS - PASTES
Pastes are semisolid dosage forms that contain one or more drug substances intended for topical application. One class is made from a single-phase aqueous gel (e.g., Carboxymethylcellulose Sodium Paste ).
Advances in semisolid dosage form - ScienceDirect
2024年1月1日 · The most common semisolid dosage forms are creams, gels, ointments, and pastes. The drugs are dispersed in the base or vehicles either by the trituration or the fusion method. Various bases classified as oleaginous, absorption, water-soluble, and emulsifying are used for the formulation of semisolid dosage forms.
Semisolid Dosage Forms - ScienceDirect
2024年1月1日 · Identify and classify the various types of semisolid dosage forms. Discuss the theory involved in the preparation of ointments, creams, pastes, and transdermal patches. Describe the clinical applications of semisolid dosage forms. Define percutaneous absorption. Discuss the methods of enhancement of percutaneous absorption.
Topical semi-solid dosage forms are normally presented in the form of creams, gels, ointments, or pastes. They contain one or more active ingredients dissolved or uniformly dispersed in a suitable base and any suitable excipients such as emulsifiers, viscosity-increasing agents, antimicrobial agents, antioxidants, or stabilizing agents.
Semi Solid Dosage Forms: Definition, Examples – StudiousGuy
Semi-solid dosage forms, also known as Quasi-solid, are highly viscous in nature, and are slightly flexible as liquids. A dosage form that is neither a complete solid nor a liquid and lies somewhere in between these forms is called a semi-solid dosage form. Ointments, pastes, creams, gels, rigid foams, and suppositories fall under this category.
Semisolid dosage forms manufacturing: Tools, critical process ...
2018年2月4日 · Pastes: Pastes are homogeneous, semi-solid preparations containing high concentratio ns of insoluble powdered substances (u sually not less than 20 %) dispersed in a suitable base.