Preparation 9: ZINC OXIDEOINTMENT

1. Zinc oxide

2. Mineral oil

3. White ointment

4. Mortar and pestle

5. Glassine paper

6. Spatula

Ointment jar

Materials

OINTMENTS

are also known as a salve or charisma.

OINTMENTS

are also known as a salve or charisma.

MEDICATED OINTMENTS

Type of ointment that contain drugs either dissolved in the vehicle, and exhibit local or systemic effects.

UNMEDICATED OINTMENTS

type of ointment that serve as media of medicinal substances for topical application, or are used as protective or emollient substances or lubricants.

OINTMENTS

They are homogenous, smooth, and free from grittiness, and they should be easily spreadable.

Ointment jars or collapsible tubes

Container used

1. opaque

2. clear

3. amber

4. green glass

5. green

6. white plastic

different kinds of ointment jars

1. Triturate the zinc oxide powder.

2. Levigate the zinc oxide with the mineral oil until the mixture becomes a smooth paste.

3. Incorporate the white ointment into the zinc oxide paste in small portions.

4. Transfer the mixture into the ointment jar.

5. Cover the zinc oxide ointment with a piece of circular glassine paper.

Procedure

Zinc Ointment

synonym

Levigation

Method used in the procedure

OFFICIAL PREPARATION

Zinc oxide ointment an official or non- official?

Ointments should be taken from stock jars with a clean spatula and closed rigjt away.

How should ointments be removed from stock jars? Explain why a lesser surface should be exposed.

Iron or steel are avoided since they can react with ingredients. Safer to use stainless steel or plastic spatulas

What is the maxim on the use of an iron or steel spatula when preparing ointments?

For enhanced hygeine, convenience and minimal product waste

Why are collapsible tubes more preferred than ointment jars as containers for ointments?