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Questions and Answers
What is the main difference between sustained release and prolonged action medications?
What is the main difference between sustained release and prolonged action medications?
- Sustained release medications are available in various forms while prolonged action medications are strictly tablets.
- Sustained release medications provide a rapid initial dosage followed by maintenance doses, while prolonged action provides a steady rate of drug replenishment. (correct)
- Sustained release medications deliver one dose while prolonged action medications require multiple doses.
- Sustained release medications maintain drug levels for longer while prolonged action medications deliver faster initial doses.
What characteristics define sustained action medications?
What characteristics define sustained action medications?
- They create higher drug levels than what is eliminated from the body.
- They provide only a single rapid dose without follow-up doses.
- They deliver an initial dose for a prompt therapeutic response, followed by doses to sustain effect. (correct)
- They replenish eliminated drug at a rate equal to the elimination rate.
Which term best describes medications that release drugs over extended periods?
Which term best describes medications that release drugs over extended periods?
- Rapid action
- Intermittent release
- Sustained release (correct)
- Immediate action
Why do all currently available branded products focus on prolonged action dosage forms?
Why do all currently available branded products focus on prolonged action dosage forms?
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What factor is crucial for maintaining a sustained level of drug in the body?
What factor is crucial for maintaining a sustained level of drug in the body?
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Study Notes
Medications with Prolonged and Sustained Action
- Significant advancements have been made in developing medications that provide precise dosage over extended periods.
- Various products promote therapeutic effects that last longer than standard single doses, categorized under terms like prolonged action, sustained release, continuous action, and timed release.
Definition of Sustained Action Products
- Sustained action or sustained release medications deliver an initial dose for an immediate therapeutic effect.
- After the initial dose, additional doses maintain therapeutic levels beyond the duration of a typical single dose.
- To maintain effective therapeutic levels, the drug release rate must align with the drug elimination rate.
Characteristics of Prolonged Action Products
- Prolonged action medications provide an initial rapid response while replenishing the drug at a rate different from the elimination rate.
- Current branded medications are primarily designed in prolonged action dosage forms, despite objectives aiming for sustained action.
Benefits of Sustained and Prolonged Action Dosage Forms
- Offer convenience of fewer doses while ensuring prolonged therapeutic effects.
- Improved patient compliance due to reduced frequency of medication intake.
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