B Pharmacy First Semester Pharmaceutics Notes Welcome to the first semester of B Pharmacy! Our “Pharmaceutics Notes” are here to help you get started with your studies. These notes cover all the important topics you’ll need to know, from the basics to more advanced. Click on the links for each unit below to find easy-to-understand … Read more
Introduction Prescription is written order from registered medical practioner, or other properly licenced practitioners to a pharmacist to compound and dispense a specific medication for the patient. Prescription writing stands as a cornerstone in the practice of medicine, serving as the crucial link between healthcare providers and patients access to appropriate mediations. In this article … Read more
Semisolid dosage forms Semisolid dosage forms are medications that are neither solid nor liquid, but somewhere in between. They are typically applied to the skin, nasal mucosa, cornea, rectal or vaginal tissue, buccal tissue, ear, or urethral membrane. Examples include ointments, pastes, creams, emulsions, gels, and rigid foams. They contain one or more active ingredients … Read more
Pharmaceutical incompatibilities Pharmaceutical incompatibilities refer to situations where two or more substances are mixed or come into contact, resulting in a negative effect on the quality, stability, efficacy, or safety of one or more of the substances. Incompatibilities can occur between different drugs, drug components, excipients, or drug delivery systems. It’s important to identify and … Read more
Suppositories A suppository is a solid medical preparation in a roughly conical or cylindrical shape, designed to be inserted into the rectum or vagina to dissolve. It’s a dosage form used to deliver medications by insertion into a body orifice, where it dissolves or melts to exert local or systemic effects. It’s a solid but … Read more
Emulsion Emulsion is a biphasic liquid disperse system where the dispersed phase is composed of small globules of a liquid distributed throughout in an immiscible vehicle. In emulsion terminology, the dispersed phase is referred to as the discontinuous or internal phase, and the dispersion medium is the continuous or external phase. The diameter of the … Read more
Biphasic liquid dosage forms Biphasic liquid dosage forms such as suspensions and emulsions, are pharmaceutical preparations that consist of two distinct, immiscible phases. These two phases can be different according to their composition, density, and solubility. biphasic liquids are of two types, such as suspensions and emulsions, consisting two immiscible phases. In this article we … Read more
Monophasic liquids Monophasic liquids in pharmacy are pharmaceutical formulations that consist of a single, homogenous phase. They are typically comprised of a solvent, one or more dissolved active pharmaceutical ingredients (APIs), and various excipients. These liquids represent a true solution, which is a clear, homogeneous mixture prepared by dissolving a solid, liquid, or gas in … Read more
Liquid dosage forms Liquid dosage forms are pharmaceutical preparations in a liquid state that are administered orally, topically, or by injection. They contain a mixture of active drug components and non-drug components (excipients) dissolved or suspended in a suitable solvent or mixtures of solvents. They are designed to provide the maximum therapeutic response in a … Read more
Introduction In pharmaceutics, a powder is defined as a dry, solid substance composed of finely divided drugs, with or without excipients, intended for internal or external use. It is a solid substance in a finely divided state. Powders represent one of the oldest and most conventional dosage forms. They were originally found to be a … Read more