Routes Of Administration

Question 1

Local

Answer 1

Site Of Administration Is The Site Of Action

Question 2

Systemic

Answer 2

Drug Must Be Absorbed & Distributed Throughout The Body Via Blood

Question 3

Systemic Routes Of Administration

Answer 3

Oral
Intravenous (IV)
Subcutaneous (SQ, SC)
Intramuscular (IM)
Intraperitoneal (IP)
Inhalation

Question 4

Oral Administration Advantages

Answer 4

Safe
Convenient In Some Animals
Economical - Cheap
No Problem Of Infection

Question 5

Oral Administration Disadvantages

Answer 5

Inactivation (Sometimes) By Gastric Acidity, Digestive Enzymes, Or Rumen Microflora
Food Or GI Activity May Affect Absorption
Irritant Drugs May Cause Vomiting & Diarrhea
Slow Onset Of Action
Some Bad Tasting Drugs

Question 6

IV Advantages

Answer 6

Accurate
Fast Onset Of Action
Irritant, Hypertonic, Acidic & Basic Drugs Can Be Given
Large Volumes Can Be Given

Question 7

IV Disadvantages

Answer 7

Dangerous

Question 8

IM Advantages

Answer 8

Rapid Absorption
Duration Of Action Exceeds IV
Suspensions Can Be Injected

Question 9

IM Disadvantages

Answer 9

Irritant, Hypertonic, Acidic & Basic Drugs May Cause Tissue Damage

Question 10

SQ/SC Advantages

Answer 10

Slow Absorption But Constant

Longer Duration Of Action

Question 11

SQ/SC Disadvantages

Answer 11

Slow Onset

Irritating Drugs Cannot Be Used