intro

• Pharmacology

  is the science dealing with drugs
• Drugs

  are chemical substances that stimulate or inhibit an existing cell function.

  They are used for treatment, prevention and diagnosis of diseases or modify a physiological process
• Pharmacokinetics:


  It describes what the body does to the drug, which includes Absorption, Distribution, Metabolism &Excretion [ADME]
• Pharmacodynamics


  It describes what the drug does to the body, which includes the study of the pharmacological actions of drugs and their possible mechanisms of action
• Pharmacotherapeutics


  Study the selection & use of drugs for diagnosis, prevention & treatment of disease
• N.B.: The main goal of a physician is to give to the patient adequate drug doses so that therapeutic levels are obtained to produce the desired response with the minimal adverse effects.