Routes of Drug Administration

Question 1

What are routes of administration?

Answer 1

are the pathways by which a drug is administered to the body.

Question 2

What are the three broad categories?

Answer 2

Enteral – via the gastrointestinal tract

Parenteral – via any route that does not involve the GI tract, such as IV

Topical – via the skin

Question 3

why is one route of administration chosen over another?

Answer 3

1. Physical and chemical properties of the drug
2. Site of action – is a local or systemic effect required?
3. Rate of drug absorption from different body sites
4. Impact of gastrointestinal enzymes / liver metabolism on the drug?
5. State of the patient – are they conscious or unable to take oral drugs?

Question 4

Oral(P.O)

Answer 4

Through the mouth

Question 5

Buccal

Answer 5

Between the gums and cheek

Question 6

Sublingual

Answer 6

Under the tongue

Question 7

Rectal

Answer 7

Into the rectum