This document provides an introduction to different semisolid dosage forms, focusing on ointments. It defines semisolid dosage forms as those meant for external application and categorizes them as ointments, creams, pastes, jellies, and suppositories. Ointments are defined as medicaments dissolved, suspended, or emulsified in an ointment base and meant for application to skin or mucous membranes. The document outlines the qualities of an ideal ointment base and classifies ointment bases as oleaginous, absorption, emulsion, or water soluble.

1. INTRODUCTION TO DIFFERENT
DOSAGE FORMS
Presented by
Mr. Parimal Hadge
Datta Meghe Institute of Medical
Science(DU)
Salod(H);Sawangi(M); Wardha:

2. Learning objectives:
The learner will be able to learn:
• Different types of dosage form
• Needs of dosage form
• Detail account on Semi-solid dosage form

3. Semisolid dosage forms

4. Semisolid dosage forms
Semisolid dosage forms meant for external application
Semisolid dosage forms subcategorized are as-
I) ointment
II) creams
III) paste
IV) Jellies
V) Suppositories
The suppositories are also included in this category but it is a unit
dosage forms.

7. Ointment
Ointment are semisolid preparation meant for application to skin
or mucous membrane.
The ointments are mainly used for their protective or emollient
properties
It may be defined as a medicament or medicaments dissolved,
suspended or emulsified in ointment base.
There is no single ointment base which possesses all the qualities
of ideal ointment base, so it become necessary to use more than
one ointment base in the preparation of ointment.

8. Qualities of ideal ointment base
It should be inert, odourless & colourless & smooth.
It should be physically & chemically stable.
It should be compatible with the skin & with incorporated medicaments.
It should be of such consistency that it spread & soften when applied to
skin with stress.
It should not retard healing of wound.
It should produce irritation or sensitization of the skin.

9. Classification of ointment base
Oleaginous bases
Absorption bases
 Emulsion bases
Water soluble bases

10. References:
• R. M. Mehta text book for pharmaceutics I
• Lachman, A reference book for pharmaceutics
• Martin, A reference book for pharmaceutics

11. Thank you