Drug Delivery Flashcards
What is an advantage to drugs in solutions/suspensions?
- Absorbed rapidly
- May be given through nano-gastric and PEG tubes
What does absorption of a drug through suspension/solution depend on?
Gastric emptying
When are suspensions usually used?
When the drug is insoluble
What does absorption of a drug in a tablet/caspule depend on?
The rate at which the capsule is broken down
What are 4 advantages to tablets/capsules?
- Convenient
- Accurate
- Stable
- Easily mass produced
What are enteric coated tablets?
Tablets coated to delay disintegration until it reaches the small intestine
What are examples of enteric coated tablets?
- Omeprazole
- Aspirin
What is omeprazole coated for?
Protect it from acid
What is aspirin coated for?
Protect the stomach from the drug
What is good about IV administration?
Allows a drug that needs to have a rapid effect have a rapid effect e.g. antiarrhythmics
When are sustained release preparations suitable?
- A prolonged pharmacodynamic effect needs to be maintained
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waddiyatalkinabeet?
