The two main branches of pharmacology are pharmacokinetics and pharmacodynamics. When the medicine enters our body, the body starts working on it directly. Absorption, distribution, metabolism and excretion of drugs in the body are the topics of pharmacology. The mechanism by which drugs act on the body ...

Pharmacology is a specialized interdisciplinary branch of biology and medicine that focuses on medicinal practices and the actions and reactions of drugs on the body. Pharmacology in its broadest sense is the study of how the body’s actions and reactions to external chemicals affect normal or abnormal ...

The origins of clinical pharmacology date back to the Middle Ages, with pharmacognosy and Avicenna’s The Canon of Medicine, Peter of Spain’s Commentary on Isaac, and John of St Amand’s Commentary on the Antedotary of Nicholas. Early pharmacology focused on herbalism and natural substances, ...