B.Pharmacy 1st Semester Pharmaceutics Notes

B.Pharmacy 1st Semester Pharmaceutics notes provide complete unit-wise study material covering the history and development of pharmacy, pharmacopoeias, dosage forms, prescriptions, and posology. It includes pharmaceutical calculations, powders, liquid dosage forms, monophasic and biphasic liquids like suspensions and emulsions, suppositories, semisolid dosage forms, and pharmaceutical incompatibilities. These notes explain preparation methods, classification, evaluation, stability issues, and excipients used in formulations. Designed for easy understanding and exam preparation, this comprehensive guide helps pharmacy students master the fundamentals of pharmaceutics, dosage form design, and drug delivery.

Bachelor of Pharmacy
Semester		1st Semester		Subject		Pharmaceutics
Syllabus
Unit 1st	Historical background and development of profession of pharmacy: History of profession of Pharmacy in India in relation to pharmacy education, industry and organization, Pharmacy as a career Pharmacopoeias: Introduction to IP, BP, USP and Extra Pharmacopoeia. Dosageforms: Introduction to dosage forms, classification and definitions Prescription: Definition, Parts of prescription, handling of Prescription and Errors in prescription. Posology: Definition, Factors affecting posology. Pediatric dose calculations based on age, body weight and body surface area.
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Unit 2nd	Pharmaceutical calculations: Weights and measures– Imperial & Metric system, Calculations involving percentage solutions, alligation, proof spirit and isotonic solutions based on freezing point and molecular weight Powders: Definition, classification, advantages and disadvantages,Simple & compound powders– official preparations, dusting powders, effervescent, efflorescent and hygroscopic powders, eutectic mixtures. Geometric dilutions Liquid dosage forms: Advantages and disadvantages of liquid dosage forms. Excipients used in formulation of liquid dosage forms. Solubility enhancement techniques
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Unit 3rd	Monophasic liquids: Definitions and preparations of Gargles, Mouthwashes, Throat Paint, Eardrops, Nasal drops, Enemas, Syrups, Elixirs, Liniments and Lotions Biphasic liquids Suspensions: Definition, advantages and disadvantages, classifications, Preparation of suspensions; Flocculated and Deflocculated suspension & stability problems and methods to overcome Emulsions: Definition, classification, emulsifying agent, test for the identification of type ofEmulsion, Methods of preparation & stability problems and methods to overcome
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Unit 4th	Suppositories: Definition, types, advantages and disadvantages, types of bases, methods of preparations. Displacement value & its calculations, evaluation of suppositories Pharmaceutical incompatibilities: Definition, classification, physical, chemical and therapeutic incompatibilities with examples
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Unit 5th	Semisolid dosage forms: Definitions, classification, mechanisms and factors influencing dermal penetration of drugs. Preparation of ointments, pastes, creams and gels. Excipients used in semi solid dosage forms. Evaluation of semi solid dosages forms
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Pharmaceutics is a core subject in the B.Pharmacy 1st semester that introduces students to the principles of drug formulation, dosage forms, and pharmaceutical calculations. It covers the history of pharmacy, pharmacopoeias, prescriptions, posology, powders, liquid and semisolid dosage forms, suspensions, emulsions, and suppositories. The subject explains preparation, evaluation, stability, excipients, and pharmaceutical incompatibilities. This foundational knowledge equips students to understand drug delivery, formulation design, and professional pharmacy practices, preparing them for advanced pharmaceutics and industrial pharmacy courses.

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