About Pharmacology I
Subject Code
BP404T
Semester
Semester 4
Credits
4 Credits
Pharmacology I (BP404T) introduces the foundational concepts of pharmacology, including how the body affects the drug (pharmacokinetics) and how the drug affects the body (pharmacodynamics). It also provides a detailed study of drugs acting on the peripheral and central nervous systems, including their mechanisms of action, therapeutic uses, and adverse effects.
Key Learning Objectives
- Understand Basic Principles: Learn the concepts of pharmacokinetics (ADME) and pharmacodynamics (receptor theories).
- Explore ANS Pharmacology: Understand neurotransmission and drugs acting on the Autonomic Nervous System.
- Explore CNS Pharmacology: Study the pharmacology of sedatives, anesthetics, anti-epileptics, and psychopharmacological agents.
- Learn Clinical Aspects: Grasp the concepts of adverse drug reactions, drug interactions, and new drug discovery.
Syllabus & Topics Covered
Unit 1: General Pharmacology (Pharmacokinetics)
- Introduction to Pharmacology, routes of administration
- Agonists, antagonists, tolerance, and dependence
- Pharmacokinetics: Absorption, distribution, metabolism, and excretion
- Enzyme induction and inhibition, kinetics of elimination
Unit 2: General Pharmacology (Pharmacodynamics & Clinical)
- Pharmacodynamics: Mechanisms of drug action, receptor theories
- G-protein coupled, ion channel, and enzyme-linked receptors
- Adverse Drug Reactions and Drug Interactions
- Drug Discovery and Clinical trials (Phases of clinical evaluation)
Unit 3: Drugs Acting on Peripheral Nervous System
- Neurohumoral transmission in ANS
- Parasympathomimetics, Parasympatholytics, Sympathomimetics, Sympatholytics
- Neuromuscular blocking agents and skeletal muscle relaxants
- Local anesthetics and drugs used in Glaucoma & Myasthenia Gravis
Unit 4: Drugs Acting on Central Nervous System (Part I)
- Neurohumoral transmission in the CNS (GABA, Glutamate, Dopamine)
- General anesthetics and pre-anesthetics
- Sedatives, hypnotics, and centrally acting muscle relaxants
- Anti-epileptics, Alcohols and Disulfiram
Unit 5: Drugs Acting on Central Nervous System (Part II)
- Psychopharmacological agents: Antipsychotics, antidepressants, anti-anxiety
- Drugs for Parkinson’s and Alzheimer’s Disease
- CNS stimulants, nootropics, opioid analgesics and antagonists
- Drug addiction, drug abuse, tolerance, and dependence
How to Score High in Pharmacology I
- 1
Master Classifications: Drug classification is the most critical part of pharmacology. Make charts and review them daily.
- 2
Understand Mechanisms: Don’t just memorize what a drug does; understand *how* it does it at the receptor level.
- 3
Correlate with Medicinal Chemistry: You are studying Med Chem I concurrently. Synthesize the knowledge of structure and effect together.
- 4
Focus on ‘Prototype’ Drugs: Learn everything about the prototype drug of a class (e.g., Atropine for anticholinergics), and then note how others differ from it.
Why it Matters for Career
Pharmacology is the absolute core of pharmacy practice. Whether you work in a hospital, community pharmacy, or clinical research, you must understand how drugs act on physiological systems to ensure safe and effective patient care.
Exam Weightage
General pharmacology principles (ADME, Receptor types), pharmacological classifications, mechanism of action, and adverse effects of major drug groups are standard exam questions.
Frequently Asked Questions (FAQs)
How is Pharmacology different from Medicinal Chemistry?
Med Chem focuses on the chemical structure, SAR, and synthesis of the drug. Pharmacology focuses on how that drug interacts with the body’s physiological systems.
What is the best way to remember adverse effects?
Many adverse effects can be deduced if you logically understand the receptor mechanism. For example, anticholinergics block parasympathetic ‘rest and digest’, leading to dry mouth and constipation.
What is pharmacovigilance?
It is the science relating to the collection, detection, assessment, monitoring, and prevention of adverse effects with pharmaceutical products.