What is Pharmacology?
Definition of Pharmacology: Pharmacology is the branch of Medical Science which deals with the knowledge of history, source, physical & chemical properties, compounding, biological & physiological activity, mechanism of action, absorption, distribution, biotransformation, excretion, therapeutic & other uses of drugs.
Branches of Pharmacology:
1) Pharmacognosy: Deals with source, identification, purification & isolation of drugs.
2) Pharmacy: Deals with preparation & dispensation of a drug, dosage formulation suitable for administration.
3) Pharmacokinetics: Deals with absorption, distribution, biotransformation & excretion of the drug.
4) Pharmacodynamics: Deals with biological & physiological activity & mechanism of drug action.
5) Pharmacotherapeutic: Deals with the use of a drug for diagnosis, prevention & treatment of disease.
6) Pharmacogenetics: Concerned with drug response that is governed by heredity.
7) Posology: Deals with the study of the dose of a drug.
8) Toxicology: Study of the adverse or poisonous effect of drug & their management.
9) Clinical Pharmacology: The scientific study of drugs in the human body is called clinical pharmacology.
It comprises two major parts;
(i) Pharmacology
(ii) Therapeutic evaluation
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