# DPHARM GURU > THE BIGGEST SOURCE FOR D.PHARMACY STUDY MATERIAL ## Posts - [3. DRUGS AND COSMETICS ACT 1940 AND RULES 1945 AND NEW AMENDMENTS](https://dpharmguru.com/3-drugs-and-cosmetics-act-1940-and-rules-1945-and-new-amendments/): Drugs and Cosmetics Act, 1940 and Rules, 1945 Introduction: The Drugs and Cosmetics Act, 1940 is a central legislation enacted in India to regulate the import, manufacture, distribution, and sale of drugs and cosmetics. The main aim of this Act is to ensure that drugs and cosmetics available to the public are safe, effective, and of standard quality. The Drugs and Cosmetics Rules, 1945 were framed under this Act to provide detailed procedures, standards, and requirements for its effective implementation. Together, the Act and Rules form the backbone of drug regulation in India. Objectives of the Drugs and Cosmetics Act, […] - [2. PHARMACY ACT-1948 AND RULES](https://dpharmguru.com/2-pharmacy-act-1948-and-rules/): Pharmacy Act, 1948 and Rules Introduction: The Pharmacy Act, 1948 is an important legislation in India enacted to regulate the profession of pharmacy. The main purpose of this Act is to ensure that pharmacy practice is carried out only by qualified and registered pharmacists, thereby protecting public health and ensuring safe use of medicines. This Act provides legal control over pharmacy education, registration of pharmacists, and standards of professional conduct. The Pharmacy Act applies to the whole of India and forms the foundation for pharmacy practice in hospitals, community pharmacies, and industry. Objectives of the Pharmacy Act, 1948: The main […] - [3. SUPPLY CHAIN AND INVENTORY CONTROL](https://dpharmguru.com/3-supply-chain-and-inventory-control/): Supply Chain and Inventory Control Introduction: Supply chain and inventory control are essential management concepts in pharmacy practice, hospital pharmacy, and pharmaceutical industries. They ensure uninterrupted availability of medicines and materials while minimizing wastage, shortages, and financial losses. An efficient supply chain ensures that the right drug is available at the right time, in the right quantity, and at the right cost, whereas inventory control focuses on managing stock levels scientifically. Supply Chain Management: Supply chain management refers to the coordination and control of all activities involved in the movement of materials from suppliers to end users. In pharmacy, the […] - [2. DIFFERENT COMMITTEES IN THE HOSPITAL](https://dpharmguru.com/2-different-committees-in-the-hospital/): Hospital Committees Introduction: Hospitals constitute several committees to ensure efficient functioning, proper administration, and delivery of quality healthcare services. Some committees are formed temporarily to address specific needs and are known as ad-hoc committees. These committees are dissolved once their objectives are achieved. In contrast, hospital committees discussed in this chapter are permanent or standing committees. They function continuously and play an important role in policy formulation, coordination, supervision, and monitoring of hospital activities. Definition: Hospital committees are regular and permanent committees formed as prescribed by regulatory agencies and hospital administration. They are essential for formulating policies, coordinating activities, and […] - [1. HOSPITAL PHARMACY](https://dpharmguru.com/1-hospital-pharmacy/): Hospital Pharmacy Definition: Hospital pharmacy is an integral department of a hospital where drugs are manufactured or procured, stored, dispensed, and their use is monitored. It also provides drug information, education, and training services to inpatients, outpatients, and healthcare professionals through a team of qualified pharmacists. Origin and Development of Hospital Pharmacy: In earlier days, a pharmacy functioning inside a hospital was known as hospital pharmacy, similar to a community pharmacy serving the public. Initially, hospital pharmacies were mainly involved in dispensing medicines to patients with prescriptions. Modern hospital pharmacy has evolved far beyond simple dispensing. Its scope now covers […] - [3. RESPIRATORY SYSTEM](https://dpharmguru.com/3-respiratory-system/): Respiratory System Introduction: The respiratory system is responsible for breathing and gas exchange in the body. It supplies oxygen to the blood and removes carbon dioxide produced during metabolism. In pharmacotherapeutics, the study of the respiratory system focuses on the prevention and treatment of diseases affecting the airways and lungs using appropriate drug therapy. Respiratory disorders are common and range from mild conditions like cough and cold to life-threatening diseases such as asthma, chronic obstructive pulmonary disease, and respiratory infections. Components of the Respiratory System: The respiratory system consists of the following major parts: Common Respiratory Disorders: The major diseases […] - [2. CARDIOVASCULAR SYSTEM](https://dpharmguru.com/2-cardiovascular-system/): Introduction: The cardiovascular system is responsible for the circulation of blood throughout the body. It supplies oxygen and nutrients to tissues and removes carbon dioxide and metabolic wastes. In pharmacotherapeutics, the study of the cardiovascular system focuses on understanding heart and blood vessel disorders and the rational use of drugs to treat these conditions. Diseases of the cardiovascular system are among the leading causes of illness and death worldwide. Proper drug therapy plays a crucial role in managing these disorders and improving patient quality of life. Components of the Cardiovascular System: The cardiovascular system consists of the following main components: […] - [3. PRESCRIPTION AND PRESCRIPTION HANDLING](https://dpharmguru.com/3-prescription-and-prescription-handling/): Prescription and Prescription Handling Introduction: A prescription is a legal and professional document through which a registered medical practitioner communicates instructions to a pharmacist for dispensing medicines to a patient. Proper prescription handling is a core responsibility of a pharmacist and is essential for ensuring patient safety, rational drug use, and legal compliance. In community and hospital pharmacy practice, correct handling of prescriptions helps prevent medication errors, drug misuse, and adverse drug reactions. Definition of Prescription: A prescription is a written, electronic, or verbal order issued by a registered medical practitioner to a pharmacist for the preparation and dispensing of […] - [2. PROFESSIONAL RESPONSIBILITIES OF COMMUNITY PHARMACISTS](https://dpharmguru.com/2-professional-responsibilities-of-community-pharmacists/): PROFESSIONAL RESPONSIBILITIES OF COMMUNITY PHARMACISTS Introduction: The World Health Organization (WHO), through its consultative groups, has clearly defined the professional responsibilities of community pharmacists. These responsibilities are also confirmed and supported by the International Pharmaceutical Federation (FIP). Community pharmacists are no longer limited to dispensing medicines. They play an important role in patient care, medication safety, public health promotion, and collaboration with other healthcare professionals. According to WHO and FIP, the key professional responsibilities of community pharmacists include: 1. Processing of Prescriptions: Community pharmacists are expected to carefully review and evaluate prescriptions before dispensing medicines. This includes checking the prescription […] - [3. DRUGS ACTING ON THE EYE](https://dpharmguru.com/3-drugs-acting-on-the-eye/): Drugs Acting on the Eye Introduction: Drugs acting on the eye are used to diagnose, treat, or prevent diseases of the eye and to modify ocular functions such as pupil size, accommodation, and intraocular pressure. These drugs are commonly used in ophthalmology for conditions like glaucoma, infections, inflammation, allergic reactions, and during eye examinations. Most ophthalmic drugs are applied locally in the form of eye drops, ointments, or gels to produce a direct effect on the eye with minimal systemic side effects. Classification of Drugs Acting on the Eye: Drugs acting on the eye are broadly classified based on their […] - [2. DRUGS ACTING ON THE PERIPHERAL NERVOUS SYSTEM](https://dpharmguru.com/2-drugs-acting-on-the-peripheral-nervous-system/): Drugs Acting on the Peripheral Nervous System Introduction: The Peripheral Nervous System (PNS) consists of nerves outside the brain and spinal cord. It connects the central nervous system to muscles, glands, and sensory organs. Drugs acting on the peripheral nervous system modify nerve transmission and are widely used in clinical practice. These drugs mainly act on the autonomic nervous system and the neuromuscular junction. Understanding their actions helps pharmacists ensure safe and effective drug use. Peripheral Nervous System: The peripheral nervous system is divided into: The autonomic nervous system is further divided into: Drugs Acting on the Autonomic Nervous System: […] - [1. GENERAL PHARMACOLOGY](https://dpharmguru.com/1-general-pharmacology/): General Pharmacology Introduction to General Pharmacology: General Pharmacology is the branch of pharmacology that deals with the basic principles governing the action of drugs on the human body. It explains how drugs are administered, absorbed, distributed, metabolized, and excreted, and how they produce their therapeutic and adverse effects. This subject forms the foundation for understanding all other branches of pharmacology. It helps pharmacy students understand why drugs act differently in different individuals and how rational and safe drug therapy can be achieved. Definition of Pharmacology: Pharmacology is the science that studies drugs, their sources, chemical properties, actions, mechanisms of action, […] - [3. PROTEINS](https://dpharmguru.com/3-proteins/): Proteins Introduction: Proteins and amino acids are essential biomolecules required for maintaining life, building tissues, supporting immunity, and enabling biochemical reactions. They play a central role in growth, repair, enzyme activity, hormone production, and regulation of body functions. For pharmacy students, understanding proteins and amino acids is fundamental to learning the biochemical basis of health, disease, nutrition, and drug action. These notes explain the topic in simple, student-friendly language suitable for D.Pharmacy study. Definition of Proteins: Proteins are large organic molecules composed of smaller units called amino acids. They contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. In simple words, […] - [2. CARBOHYDRATES](https://dpharmguru.com/2-carbohydrates/): Carbohydrates Introduction: Carbohydrates are essential biomolecules that provide energy, support metabolic activities, and form important structural components of cells. They are a major part of the human diet and are commonly found in foods such as rice, bread, fruits, milk, and vegetables. A clear understanding of carbohydrates is important for pharmacy students studying biochemistry, clinical pathology, and nutrition. These notes explain carbohydrates in a simple, student-friendly manner suitable for D.Pharmacy and B.Pharmacy students. Definition of Carbohydrates: Carbohydrates are organic compounds composed of carbon, hydrogen, and oxygen. Their general chemical formula is Cn(H2O)n. They are commonly referred to as sugars or […] - [2. CLASSIFICATION OF CRUDE DRUGS](https://dpharmguru.com/2-classification-of-crude-drugs/): Classification of Crude Drugs in Pharmacognosy Introduction: In Pharmacognosy, crude drugs are obtained from natural sources such as plants, animals, and minerals. To study and understand these drugs systematically, they are classified using different methods. Classification helps pharmacy students and professionals to identify drugs easily, understand their properties, relate them to their sources, and apply them correctly in medicine. Crude drugs can be classified based on their names, biological origin, external structure, chemical composition, and therapeutic action. The major systems of classification include alphabetical, taxonomical, morphological, pharmacological, chemical, and chemo-taxonomical classification. 1. Alphabetical Classification: In alphabetical classification, crude drugs are […] - [3. QUALITY CONTROL OF CRUDE DRUGS](https://dpharmguru.com/3-quality-control-of-crude-drugs/): Quality Control of Crude Drugs Introduction: Quality control of crude drugs is an essential part of Pharmacognosy. Crude drugs obtained from natural sources must be pure, safe, and effective to produce the desired therapeutic effect. Due to high demand, limited availability of genuine materials, and commercial pressure, crude drugs are often adulterated either intentionally or unintentionally. To ensure safety, quality, and medicinal value, different evaluation techniques are used. These methods help in identifying adulteration and confirming the authenticity and purity of crude drugs. Methods of Adulteration of Crude Drugs: Adulteration refers to the substitution, mixing, or contamination of a crude […] - [3. NATIONAL HEALTH POLICY](https://dpharmguru.com/3-national-health-policy/): National Health Policy – Indian Perspective Introduction: The National Health Policy (NHP) of India provides a guiding framework for improving the health status of the population. It defines the vision, priorities, and strategies required to strengthen the healthcare system and ensure accessible, affordable, and quality healthcare for all citizens. India faces unique health challenges due to its large population, socioeconomic diversity, and the dual burden of communicable and non-communicable diseases. To address these challenges, the Government of India introduced National Health Policies in 1983, 2002, and 2017, each reflecting the evolving healthcare needs of the country. National Health Policy 1983 […] - [2. CONCEPT OF HEALTH](https://dpharmguru.com/2-concept-of-health/): Concept of Health: Definition, Dimensions, Determinants and Health Indicators Introduction: Health is more than just the absence of disease. It is a dynamic state of well-being that allows individuals to live productive, meaningful, and socially active lives. Understanding health from a broader perspective is essential for pharmacy students, healthcare professionals, and public health workers. These notes explain the World Health Organization definition of health, its dimensions, the major determinants that influence health, and commonly used health indicators in a simple and exam-oriented manner. WHO Definition of Health: The World Health Organization defines health as a state of complete physical, mental, […] - [3. IMPURITIES IN PHARMACEUTICALS](https://dpharmguru.com/3-impurities-in-pharmaceuticals/): Impurities in Pharmaceuticals Introduction: In pharmaceuticals, impurities are unwanted substances present in a drug product other than the intended active ingredient. These substances may arise during manufacturing, processing, storage, or packaging of drugs. Impurities can originate from raw materials, chemical reactions, environmental exposure, or accidental contamination. Organic impurities usually arise from chemical reactions, whereas inorganic substances such as heavy metals are considered impurities only when they are toxic. Depending on their origin, impurities may exist as intermediates, by-products, degradation products, or interaction products. Sources of Impurities in Pharmacopoeial Substances: Drug impurities may originate from raw materials, production processes, environmental exposure, […] - [2. SOURCES AND TYPES OF ERRORS](https://dpharmguru.com/2-sources-and-types-of-errors/): Introduction: An error is the difference between the value measured during an analysis and the true value of a substance. Errors cannot be completely eliminated, even when skilled analysts use advanced analytical instruments. However, by understanding the nature and sources of errors, results closer to the true value can be obtained. Since the true value of a substance is usually unknown, a standard or probable value is taken as a reference to estimate the magnitude of error. Types of Errors: Error is defined as any deviation from the true or accepted value. In pharmaceutical and analytical chemistry, errors are broadly […] - [3. TISSUES OF THE HUMAN BODY](https://dpharmguru.com/3-tissues-of-the-human-body/): Tissues of the Human Body In the human body, tissues are groups of similar cells that work together to perform a specific function. When cells of the same type combine, they form tissues, and when different tissues combine, they form organs such as the heart, lungs, kidneys, and liver. The scientific study of tissues is known as Histology. Based on structure and function, the human body is composed of four basic types of tissues. 1. Epithelial Tissue: Epithelial tissue covers the external surface of the body, lines internal organs and cavities, and forms various glands. It acts as a protective […] - [2. STRUCTURE OF CELL](https://dpharmguru.com/2-structure-of-cell/): Structure of Cell: Components and Its Functions Introduction: The cell is the smallest structural and functional unit of all living organisms and is rightly called the building block of life. Some organisms, such as bacteria, are made up of a single cell (unicellular), while complex organisms like humans consist of trillions of cells (multicellular). Each cell in the human body is specialized to perform specific functions such as energy production, growth, repair, secretion, and reproduction. Understanding cell structure is essential for pharmacy students because drugs act at the cellular and molecular levels. Types of Cells: 1. Prokaryotic Cells: Prokaryotic cells […] - [3. PHARMACOPOEIA](https://dpharmguru.com/3-pharmacopoeia/): Pharmacopoeia Introduction: Pharmacopoeia is an essential reference document in the field of pharmacy and medicine. It serves as an official collection of quality standards for drugs, chemicals, and pharmaceutical substances. Pharmacists, researchers, manufacturers, and regulatory authorities rely on pharmacopoeias to ensure that medicines are safe, pure, effective, and of standard quality. The term Pharmacopoeia is derived from the Greek words “Pharmakon” meaning drug and “Poiein” meaning to make, which together signify “drug-making”. Definition of Pharmacopoeia: A Pharmacopoeia is an official publication that lays down the standards for drugs, including their identity, purity, strength, tests, methods of preparation, and dosage forms. […] - [2. PHARMACY AS A CAREER](https://dpharmguru.com/2-pharmacy-as-a-career/): Pharmacy as a Career Introduction: Pharmacy is one of the most respected and steadily growing professions in the healthcare sector. A career in pharmacy combines science, healthcare, technology, and patient care. Pharmacists play a vital role in ensuring the safe, effective, and rational use of medicines, thereby contributing significantly to public health and the medical system. What Is Pharmacy? Pharmacy is a branch of science that deals with the preparation, dispensing, and appropriate use of medicines. It acts as a bridge between medical science and chemistry, focusing on drug discovery, formulation, quality control, and patient counseling. Pharmacists are trained healthcare […] - [1. HISTORY OF THE PROFESSION OF PHARMACY IN INDIA](https://dpharmguru.com/1-history-of-the-profession-of-pharmacy-in-india/): History of the Profession of Pharmacy in India The profession of pharmacy in India has a long and well-defined history that reflects the country’s journey from traditional medicine systems to a modern, regulated healthcare profession. For D.Pharmacy and B.Pharmacy students, understanding this evolution is essential to appreciate the role pharmacists play in today’s healthcare system. 1. Early Origins and Traditional Systems: The roots of pharmacy in India can be traced back thousands of years and are closely associated with traditional systems of medicine such as Ayurveda, Unani, and Siddha. In ancient times, vaidyas and hakims prepared medicines using herbs, minerals, […] - [1. INTRODUCTION TO SOCIAL PHARMACY: DEFINITION & SCOPE](https://dpharmguru.com/1-introduction-to-social-pharmacy-definition-scope/): Social Pharmacy Introduction: Social Pharmacy is an important branch of pharmacy that studies the relationship between medicines, people, and society. It focuses on how social, cultural, psychological, and economic factors influence the use of medicines and healthcare services. In simple words, Social Pharmacy helps us understand how people think about medicines, how they use them, and how pharmacists can guide patients and communities toward better health outcomes. Traditionally, pharmacy practice was limited to manufacturing, dispensing, and selling medicines. Modern pharmacy practice has expanded this role, and Social Pharmacy highlights the pharmacist as a healthcare professional who actively contributes to public […] - [1. GENERAL PRINCIPLES OF LAW, HISTORY & VARIOUS ACTS RELATED TO DRUGS & PHARMACY PROFESSION](https://dpharmguru.com/1-general-principles-of-law-history-various-acts-related-to-drugs-pharmacy-profession/): Law and ethics form the foundation of every profession — and the pharmacy profession is no exception. While law ensures that every pharmacist follows legal standards, ethics guide professionals to work with honesty, responsibility, and respect for human life. Together, they help maintain discipline, protect public health, and uphold the dignity of the pharmacy profession. 1. Definition and Meaning of Law: According to Rig Veda: “Law is the king of monarchs, far more powerful and right than they; by whose aid, even the weak may conquer the strong.” According to John Locke: “Every law is a veritable freedom; the ends […] - [1. PHARMACOTHERAPEUTICS: INTRODUCTION, SCOPE, AND OBJECTIVES.](https://dpharmguru.com/1-pharmacotherapeutics-introduction-scope-and-objectives/): PHARMACOTHERAPEUTICS Therapeutics is the branch of medical science that deals with the use of drugs and methods of treatment to prevent, relieve, or cure diseases. In pharmacy, pharmacotherapeutics focuses on how medicines are selected, prescribed, and monitored to achieve the best possible outcomes for patients. Therapeutics combines knowledge from multiple disciplines, including: In simple terms, pharmacotherapeutics is the practical application of pharmacology in patient care. It ensures the right drug is given in the right dose, for the right duration, to the right patient. Scope of Therapeutics: The scope of therapeutics is wide and covers several important areas related to […] - [1. DEFINITION, HISTORY, PRESENT STATUS AND SCOPE OF PHARMACOGNOSY](https://dpharmguru.com/1-definition-history-present-status-and-scope-of-pharmacognosy/): Introduction: Pharmacognosy is one of the most important subjects in the first year of the Diploma in Pharmacy (D.Pharmacy) course. It deals with the study of crude drugs obtained from natural sources such as plants, animals, minerals, and microorganisms. This subject helps pharmacy students understand how natural substances are used as medicines and how they are identified, processed, and standardized. The word Pharmacognosy is derived from two Greek words: Pharmakon meaning drug and Gnosis (or Gignosco) meaning knowledge. Thus, Pharmacognosy literally means knowledge of drugs. Definition of Pharmacognosy: Pharmacognosy is the branch of pharmacy that deals with the study of […] - [1. COMMUNITY PHARMACY AND MANAGEMENT](https://dpharmguru.com/1-community-pharmacy-and-management/): Community Pharmacy and Management Community Pharmacy and Management is one of the core subjects in Diploma in Pharmacy (D.Pharm) and Bachelor of Pharmacy (B.Pharm) courses. It focuses on the professional practice of pharmacists in community settings, where they provide essential healthcare services directly to the public. This subject helps students understand how a community pharmacy functions in real-life situations — from dispensing medicines and patient counselling to inventory control, documentation, and public health promotion. Community pharmacists play a key role in ensuring the safe, effective, and rational use of medicines. What is Community Pharmacy? Community pharmacy is a branch of […] - [1. INTRODUCTION TO BIOCHEMISTRY](https://dpharmguru.com/1-introduction-to-biochemistry/): Introduction to Biochemistry Introduction: Biochemistry is the branch of science that studies the chemical processes occurring within living organisms. It explains how various molecules interact and coordinate to maintain life processes such as growth, metabolism, reproduction, and response to the environment. The term Biochemistry was introduced by Carl Neuberg in 1903. This discipline integrates concepts from biology, chemistry, and physics to explain the structure, function, and behavior of biomolecules. Biochemistry mainly deals with the study of: In simple terms, biochemistry is the chemistry of life. It helps us understand how the human body functions at the molecular level. Importance of […] - [1. SCOPE OF ANATOMY AND PHYSIOLOGY, DEFINITION OF VARIOUS TERMINOLOGIES](https://dpharmguru.com/1-scope-of-anatomy-and-physiology-definition-of-various-terminologies/): The study of anatomy and physiology forms the foundation of all medical and pharmaceutical sciences. Anatomy deals with the structure of the human body, whereas physiology explains the functions of different organs and systems. Together, they help us understand how the human body works in normal health as well as in disease conditions. The word Anatomy is derived from the Greek words “ana” meaning up and “tome” meaning to cut, which literally means “to cut open.” It refers to the study of internal body structures. The term Physiology comes from the Greek words “physis” meaning nature and “logos” meaning study. […] - [1. Introduction to Pharmaceutical Chemistry: Scope and Objectives](https://dpharmguru.com/1-introduction-to-pharmaceutical-chemistry-scope-and-objectives/): Introduction to Pharmaceutical Chemistry Pharmaceutical Chemistry is the branch of science that studies how medicines are discovered, prepared, analyzed, and used to treat diseases. It connects chemistry, biology, and pharmacy to understand how chemical compounds are converted into safe and effective drugs. In simple terms, pharmaceutical chemistry explains how chemicals become medicines, how drugs act inside the body, and how their purity, safety, and quality are ensured before use. Pharmaceutical chemistry mainly deals with: Branches of Pharmaceutical Chemistry: Pharmaceutical chemistry is divided into several important branches, each focusing on a specific aspect of drug science. 1. Pharmaceutical Inorganic Chemistry: This […] ## Pages - [SUBJECTS](https://dpharmguru.com/subjects/): This page provides easy access to all core subjects offered in our pharmacy education program. Each subject includes detailed study notes, exam-focused explanations, student-friendly summaries, and additional learning resources. Explore any subject below to learn concepts step-by-step and strengthen your understanding. List of Subjects Covered: - [PRIVACY POLICY](https://dpharmguru.com/privacy-policy/): Privacy Policy – D.Pharm Guru Last Updated: [29/10/2025] Welcome to D.Pharm Guru. Your privacy is very important to us.This Privacy Policy explains how we collect, use, and protect your information when you visit https://www.dpharmguru.com 1. 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