Drugs affecting the central nervous system:
Drugs affecting the peripheral nervous system
Drugs affecting the autonomic nervous system
Histamine and antihistamines
Drugs affecting blood and the cardiovascular system
Drugs affecting the gastrointestinal tract and kidney
Vitamines
Hormones
Antiinfective and antiinvasive agents
Chemical Drugs II divides drugs primarily according their indications and secondarily according their chemical structure. This viewpoint enables comparison of drugs related in clinical used but different in their chemical structure and mechanism of action.
This classification connect the pharmaceutical chemistry and pharmacology and it is important considering clinical aspects since it corresponds to currently commonly used division of drugs into anatomic-therapeutic-chemical classification. Specific area of interest in pharmaceutical chemistry is structure-biological activity studies and their employment in new more effective and safer drug design and development.