PHA 327 - Exam 2 - Ointments 1
Home > Preview
The flashcards below were created by user
on FreezingBlue Flashcards.
What are ointments?
soft, semisolid preparations intended for external application
What is a soft semi-solid preparation intended for external application?
What were the two examples in class of medicated ointments?
- Sulfur ointment
- Zinc oxide ointment
What was the example given in class for a non-medicated ointment?
What is another term for non-medicated ointment?
What are ointment bases used for?
- Emollient or lubricating agent
- Protective barriers
What are the four classifications of ointment bases?
What is another term for a hydrocarbon base?
What are the six characteristics of hydrocarbon bases (from class)?
- Have an emollient effect
- Used for occlusive dressings
- Difficult to wash off
- Stains clothing
- Can be protective with water labile drugs
- Water is not easily incorporated
What is an occlusive dressing?
One that traps water in the skin
What is a non-occlusive dressing?
One that allows water to escape the skin
What were the five examples of Hydrocarbon bases described in class?
- Petrolatum USP
- Yellow ointment
- White ointment
- Paraffin NF
- Mineral oil USP
Mineral oil USP, Paraffin NF, White ointment, Yellow ointment, Petrolatum USP are all what type of ointment base?
What is the melting point of Petrolatum USP?
38-60 degrees C
What oleaginous base melts at 38-60 degrees C?
What is the commercial name for Petrolatum USP?
What is petroleum USP made of?
What is Yellow ointment made of?
- 95% (w/w) petrolatum
- 5% (w/w) Yellow wax
What is White ointment made of?
- 95% (w/w) petrolatum
- 5% (w/w) White wax
What is paraffin made of?
Purified sold hydrocarbons obtained from petroleum
What is paraffin used for?
stiffen oleaginous semisold ointment bases
What oleaginous base is used to stiffen semisolid oleaginous bases?
Mineral oil is composed of what?
Liquid hydrocarbons obtained from petroleum
What is Mineral oil USP used for?
What is also known as liquid petroleum?
Mineral oil USP
What is Levigating?
Reduce to a fine powder or smooth paste
What is the term for the process of reducing to a fine powder or smooth paste?
What oleaginous base is used as a levigating agent?
mineral oil USP
What would you like to do?
Home > Flashcards > Print Preview