Chapter 2 Route of drug administration by Dr

Chapter 2 Route of drug administration by Dr. Arshad Ali Khan Faculty of Engineering Technology arshad@ump. edu. my By Dr. Arshad Ali Khan

Topic outcomes • Analyze the advantages & disadvantages between different types of administration routes. • Differentiate the most application of drug administration route By Dr. Arshad Ali Khan 2

Routes of Drug Administration Important Info The route of administration (ROA) that is chosen may have a profound effect upon the speed and efficiency with which the drug acts By Dr. Arshad Ali Khan 3

• There are two possible routes of drug transportation into the body: – Enteral – Parenteral By Dr. Arshad Ali Khan 4

Enteral Routes • Enteral – In this route the drugs administration take place directly into the Gastrointestinal (GI) tract: – sublingual – directly on the tongue – oral – drug taken by simply swallowing – rectum - drug taken by the rectum By Dr. Arshad Ali Khan 5

Parenteral Routes – Intravascular (IV, IA) injecting a drug straight into the blood circulation – Intramuscular (IM) Injecting a drug directly into the skeletal muscle – Subcutaneous Drug absorption via subcutaneous tissues – Inhalation Drug absorption via the lungs By Dr. Arshad Ali Khan 6

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Topical • Mucosal membranes (eye drops, nasal, etc. ) • Skin a. Dermal – ointment b. Transdermal - Drug absorption via skin (systemic action) By Dr. Arshad Ali Khan 9

Thank you By Dr. Arshad Ali Khan