Page 19 - Interactive Theoritical Notes of Bioharmaceutics and pharamcokinetics.docx compressed
P. 19
PharmD clinical pharmacy program Level 3, Semester 2 Biopharmaceutics & Pharmacokinetics (PT608(
Elimination of drugs occurs by one or both: metabolism & excretion
Pharmacodynamics
Pharmacodynamics refers to the relationship between the drug concentration at the
site of action (receptor) and pharmacologic response, including biochemical and
physiologic effects that influence the interaction of the drug with the receptor.
It is the study of the biological and therapeutic effects of the drugs.
Pharmacodynamics is the major concern of pharmacology and clinical
pharmacology.
Sites of drug administration
Sites of drug administration are classified into two categories:
• Intravascular routes • Extravascular routes.
18