Welcome to the enthralling realm of Pharmacology 3 in your 6th semester of B.Pharm! This course is a continuation of your journey into the fascinating world of drug interactions, mechanisms of action, and therapeutic applications. Building upon your foundation from previous semesters, Pharmacology 3 will delve deeper into the intricate web of pharmacodynamics, pharmacokinetics, and clinical implications. Get ready to explore the realm where science meets healing, and where you’ll unravel the secrets of how drugs influence the human body for better health.

6th semester Pharmacology 3 | bright medico notes


Pharmacology of drugs acting on Respiratory system

  • Anti -asthmatic drugs
  • Drugs used in the management of COPD
  • Expectorants and antitussives
  • Nasal decongestants
  • Respiratory stimulants

Pharmacology of drugs acting on the Gastrointestinal Tract

  • Antiulcer agents.
  • Drugs for constipation and diarrhoea.
  • Appetite stimulants and suppressants.
  • Digestants and carminatives.
  • Emetics and anti-emetics.



  • General principles of chemotherapy.
  • Sulfonamides and cotrimoxazole.
  • Antibiotics- Penicillins, cephalosporins, chloramphenicol, macrolides, quinolones and fluoroquinolins, tetracycline and aminoglycosides



  • Antitubercular agents
  • Antileprotic agents
  • Antifungal agents
  • Antiviral drugs
  • Anthelmintics
  • Antimalarial drugs
  • Antiamoebic agents



  • Urinary tract infections and sexually transmitted diseases.
  • Chemotherapy of malignancy


  • Immunostimulants
  • Immunosuppressant Protein drugs, monoclonal antibodies, target drugs to antigen, biosimilars


Principles of toxicology

  • Definition and basic knowledge of acute, subacute and chronic toxicity.
  • Definition and basic knowledge of genotoxicity, carcinogenicity, teratogenicity and mutagenicity
  • General principles of treatment of poisoning
  • Clinical symptoms and management of barbiturates, morphine, organophosphosphorus compound and lead, mercury and arsenic poisoning.


  • Definition of rhythm and cycles.
  • Biological clock and their significance leading to chronotherapy

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