BP404T Pharmacology-I (Theory)

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Unit-I: General Pharmacology

  • Introduction to pharmacology: Definition, historical landmarks, and scope of pharmacology.
  • Nature and sources of drugs, essential drug concepts, and routes of drug administration.
  • Concepts of agonists, antagonists (competitive and non-competitive), spare receptors.
  • Concepts of drug addiction, tolerance, dependence, tachyphylaxis, idiosyncrasy, and allergy.
  • Pharmacokinetics: Membrane transport, absorption, distribution, metabolism, and excretion of drugs.
  • Enzyme induction, enzyme inhibition, and kinetics of elimination.

Unit-II: General Pharmacology

  • Pharmacodynamics: Principles and mechanisms of drug action.
  • Receptor theories and classification, regulation of receptors, drug-receptor interactions.
  • Signal transduction mechanisms: G-protein–coupled receptors, ion channel receptors, transmembrane enzyme-linked receptors, and JAK-STAT binding receptors.
  • Dose-response relationship and therapeutic index.
  • Combined effects of drugs and factors modifying drug action.
  • Adverse drug reactions and drug interactions (pharmacokinetic and pharmacodynamic).
  • Drug discovery and clinical evaluation of new drugs: Phases of clinical trials and pharmacovigilance.

Unit-III: Pharmacology of Drugs Acting on Peripheral Nervous System

  • Organization and function of the autonomic nervous system (ANS).
  • Neurohumoral transmission, co-transmission, and classification of neurotransmitters.
  • Drugs affecting the ANS: Parasympathomimetic, parasympatholytic, sympathomimetic, and sympatholytic agents.
  • Neuromuscular blocking agents and skeletal muscle relaxants (peripheral).
  • Local anesthetic agents.
  • Drugs used in myasthenia gravis and glaucoma.

Unit-IV: Pharmacology of Drugs Acting on Central Nervous System

  • Neurohumoral transmission in the CNS and the role of neurotransmitters like GABA, Glutamate, Glycine, serotonin, and dopamine.
  • General anesthetics and pre-anesthetics.
  • Sedatives, hypnotics, and centrally acting muscle relaxants.
  • Anti-epileptic drugs.
  • Alcohols and disulfiram.

Unit-V: Pharmacology of Drugs Acting on Central Nervous System

  • Psychopharmacological agents: Antipsychotics, antidepressants, anti-anxiety agents, antimanic drugs, and hallucinogens.
  • Drugs used in Parkinson’s disease and Alzheimer’s disease.
  • CNS stimulants and nootropics.
  • Opioid analgesics and antagonists.
  • Drug addiction, drug abuse, tolerance, and dependence.

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