After reading this article you will learn about the dosage regimen of a drug. Many drugs like antibiotics, cardio tonics, anticonvulsants, hormones etc. are generally given in a multiple-dosage for prolonged therapeutic effect. The plasma concentrations of these drugs must be maintained within narrow limits to achieve maximal clinical effectiveness. A dosage regimen must be established for each drug to [...]
Kinetic 'order' is a term which simply means that the various processes are ranked in order of increasing complexity. The important kinetic processes which are concerned are those governing the entry of the drug into the blood, its distribution in body tissues, and its elimination from the blood by metabolism and excretion. Such processes are generally of 'zero-order' or 'first-order'. [...]
This article throws light upon the three main routes of drug administration. The routes are: 1. Topical or External Application 2. Oral or Enteral Route 3. Parenteral Route (Injection). Route # 1. Topical or External Application: The drugs administration by this route generally affects to the part to which they are applied. However, some drugs applied topically are absorbed from [...]