Pharmacy Foundations: Drug formulations & patient counseling Flashcards
Reasons to use Long-acting oral tablets/capsules
- reduce nausea or provide longer duration action
- reduces peaks conc, leading to reduced side effects
- some can be opened and sprinkled onto food
- should not be crushed/chewed, can lead to OD
- Some can be cut on score line
Osmotic Controlled-Release Oral Delivery system
OROS
Water is absorbed via osmosis, increasing pressure in capsule forcing it out through a small opening.
Tablet/Capsule may be visible in patients stool
When are suspensions or solutions a good option
- useful in patients with difficulty swallowing or who are unable to follow directions.
Prior to admission, suspensions must be….
shaken to redisperse medication
Do solutions need to be shaken prior to administration….
No
When are chewable tablets a good option?
For children who cant swallow
or for calcium tablets for adults due to being too big
When are ODT a good option?
when patient cant swallow due to dysphagia or has nausea and unable to tolerate
also if adherence issues, dissolve quickly
Benefits of sublingual or buccal tablets
same benefits as ODT medications
faster onset of action than tablet or capsules that is swallowed.
Less drug lost to gut degradation and 1st pass metabolism
Benefits of granules, powders, or capsules that can be opened or sprinkled onto soft food…
Mostly used for pediatric and geriatric patients
can be given via NG tube rather than IV for certain patients
Which sweetener is dangerous for those with phenylketonuria (PKU)
Phenylalanine which is found in sweetener aspartame
ODT counseling
don’t push through foil backing as they’re easily broken/crumbled.
peel back foil of one blister and remove tablet
Oral film counseling
place on tongue and it will dissolve in seconds, ok to swallow with saliva and then wash hands after
Benefits of Subcutaneous (injections)
used for rapid effect or drugs that would degrade/not absorb if given orally
Benefits of long-acting intramuscular injections
Improve adherence and decrease need for more frequent injections
Benefits of Intravenous injections
Bypass oral route
fast response
avoids drug loss caused by Nausea/vomiting