ROUTES OF DRUG ADMINISTRATION QUESTION AND ANSWER 2025

ROUTES OF DRUG
ADMINISTRATION QUESTION
AND ANSWER 2025
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, Routes of Drug Administration

1. Why is a drug substance incorporated into various dosage forms for
administration by alternative routes?

o To maximize therapeutic response

o Dosage forms available for different administration routes

2. What are the different routes of drug administration?

1. Oral route/Buccal/Sublingual

2. Respiratory Route

3. Nasal

4. Topical Route

5. Ocular

6. Parenteral Route

7. Rectal Route

8. Vaginal

3. What causes variation in time of onset of action for different dosage forms?

o Differences in absorption rates and mechanisms

Oral Route

4. What are the advantages of using the oral route of drug administration?
Most frequently used due to:

1. Simplicity

2. Most convenient

3. Safest mean of drug administration

5. How does the oral route of drug administration work?

o Drug is absorbed by mucosa and various epithelia of G.I tract

6. What are the disadvantages of the oral route of drug administration?

1. Slow onset of action

2. Risk of irregular absorption

3. Destruction of drugs by enzymes and secretions of the G.I. tract

7. What are the most popular oral dosage forms?