L5 Ointments

Question 1

What is an ointment?

Answer 1

A homogenous semi-solid preparation.
Usually consists of solutions or dispersions of one or more API in suitable bases.
Applied to skin or mucous membrane for emollient, therapeutic or prophylactic purposes.

Question 2

What are the 4 types of ointments?

Answer 2

1. Oleaginous bases
2. Absorption bases
3. Emulsion bases
4. Water-soluble bases

Question 3

Name the 3 types of degree penetration.

Answer 3

1. Epidermatic
2. Endodermatic
3. Diadermatic

Question 4

What do Oleaginous bases compose of?

Answer 4

Only lipophilic materials

Question 5

Name 1 example of oleaginous bases and its properties

Answer 5

Petrolatum

• > Excellent emollient
• > Compatible with many drugs and promotes stability

Question 6

What are the 5 common lipophilic compounds found in Oleaginous bases?

Answer 6

1. Hydrocarbons
2. Vegetable oils
3. Hydrogenated, sulfated oils
4. Silicones
5. Fatty acids, alcohols, esters

Question 7

Name 5 desirable properties of oleaginous bases.

Answer 7

1. Anhydrous
2. Non-hydrophilic
3. Non-water removable
4. Greasy
5. Occlusive