Administration of medication or the drug administration is one of the most significant aspects of nursing practices. Every medical practitioners are required to be familiar with their responsibilities while prescribing drugs to the sick. It entails skill in various fields such as pharmacology, delivery routes, conversion and calculation factors, contraindications, and the history of the ailing person. The most important parts of the Administration of medication are:

• Absorption 
• Distribution 
• Biotransformation
• Excretion