Definition of Dosage Form, Advantages & Disadvantages of Dosage Form, Classification of Dosage Forms.

1. Presented by
Mr. Sujit Kakade
Assistant Professor
Pune District Education Association’s
Shankarrao Ursal College of Pharmaceutical Sciences
& Research Centre, Kharadi, Pune.
Introduction
to
Dosage Forms

2. Learning Outcomes
After watching this video, you will be able to:
1. Define dosage form.
2. Explain the need of dosage forms.
3. Classify dosage forms
– According to route of administration.
– According to physical state.

3. Introduction to Dosage Forms
• Dosage forms are the devices into which a drug
substance can be incorporated for the convenient and
effective treatment of a disease.
• Drugs are rarely administered as in their pure
chemical form alone and they are always converted
in to suitable dosage forms before administration.
Dosage form = Drug + Excipients
• Examples:-
Tablets, Capsules, Syrups, Creams, Aerosols, etc.

4. Reflection Spot
Que. What is the need of dosage forms?

5. Need of Dosage Forms
 Offers accuracy in dosing.
 Protection from the environment.
 Masking taste and odor.
 Protection from gastric juice.
 Placement of drugs within blood or body tissues.
 Insertion of drugs into body cavities.
 Modified release medication.
 Optimal drug action.

6. Classification of Dosage Forms
1. Oral
2. Topical
3. Rectal
4. Parenteral
5. Vaginal
6. Ophthalmic
7. Nasal
8. Otic
Dosage Forms
According to
Route of administration
According to
Physical State
1. Solid
2. Liquid
3. Semi-solid
4. Gaseous

7. Classification of Dosage Forms
A. According to Route of administration
Sr. No. Route of
administration
Dosage Forms
1. Oral Tablet, Capsule
2. Topical Ointment, Cream
3. Rectal Suppositories
4. Parenteral Injectables, Implants
5. Vaginal Pessaries
6. Ophthalmic Eye drops
7. Nasal Nasal drops
8. Otic Ear drops

8. Classification of Dosage Forms
B. According to Physical State
Dosage forms
Solid Liquid Semi-solid Gaseous
Unit dosage
• Tablets
• Capsules
Bulk dosage
• Tooth Powder
• Dusting Powder
Monophasic Liquids
• Syrups
• Lotions
Biphasic Liquids
• Suspensions
• Emulsions
• Creams
• Ointments
• Paste
• Gels
• Suppositories
• Pessaries
• Aerosols
• Inhalations