Modified-Release vs. Immediate-Release

Question 1

What formulation controls the release of a medication from a drug dosage form?

Answer 1

(Swallow Whole Do Not Crush or Chew)

- Modified release version

Question 2

What are the modified-release of mechanisms?

Answer 2

1. Controlled Delivery (abbreviation - “CD”)
2. Controlled-Release (abbreviation - “CR”)
3. Extended-Release (abbreviation - “ER”, “XL”, XR”)
4. Long Acting (abbreviation - “LA”)
5. Sustained-Release (abbreviation - “SR”)

Question 3

What drugs have a modified-release of mechanisms?

Answer 3

• Metadate (CD)
• Paxil (CR)
• Ambien (CR)
• Depakote (ER)
• Toprol-XL
• Quillivant (XR)
• Detrol (LA)
• Wellbutrin (SR)

Question 4

What formulation dissolves a drug dosage form quickly?

Answer 4

(Swallow Whole Do Not Crush or Chew)
- Immediate release version

(another term for immediate-release is “regular-release”)