Podcast
Questions and Answers
What is a pharmaceutical suspension?
What is a pharmaceutical suspension?
- A fine dispersion with internal phase concentrated at the bottom
- A mixture of solid particles and liquid without uniform dispersion
- A coarse dispersion with internal phase dispersed uniformly throughout the external phase (correct)
- A solution with completely dissolved solid particles
Which type of suspension may have an organic or oily liquid as the external phase?
Which type of suspension may have an organic or oily liquid as the external phase?
- Externally applied suspension
- Oral suspension
- Non-oral suspension (correct)
- Parenteral suspension
What is the proportion of solid particles in a concentrated suspension?
What is the proportion of solid particles in a concentrated suspension?
- Less than 1% w/v solid
- 20-30% w/v solid
- 2-10% w/v solid
- 50% w/v solid (correct)
Which type of suspension is used for insoluble or poorly soluble drugs required to be given orally?
Which type of suspension is used for insoluble or poorly soluble drugs required to be given orally?
What advantage does a pharmaceutical suspension offer for certain drugs in aqueous solution?
What advantage does a pharmaceutical suspension offer for certain drugs in aqueous solution?
Study Notes
Pharmaceutical Suspensions
- A pharmaceutical suspension is a type of dosage form consisting of insoluble solid particles dispersed in a liquid vehicle.
Types of Suspensions
- One type of suspension may have an organic or oily liquid as the external phase.
Concentrated Suspensions
- In a concentrated suspension, the proportion of solid particles is typically high, usually above 20%.
Insoluble or Poorly Soluble Drugs
- Suspensions are often used for insoluble or poorly soluble drugs that need to be administered orally.
Advantages of Suspensions
- Pharmaceutical suspensions offer an advantage for certain drugs in aqueous solution, as they can improve the bioavailability and stability of the active pharmaceutical ingredient.
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Description
This lecture covers the definition and composition of pharmaceutical suspensions, including the dispersion of insoluble solid particles in a liquid medium. It also discusses the use of suspending agents and the characteristics of the external phase.
