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
5 Steps for injectable medication
1: wash hands
2: prepare injection
3: select and clean injection site
4. inject
5. discard appropriate stuff into sharps container
Which injections should you not rub skin near injection site?
Anticoagulant medications as they can cause bruising
Safe handling of Monoclonal Antibodies
should not be shaken and should be stored at normal temperatures and not extreme hot or cold.
Patch administration sites
Upper chest
Upper or lower back
Upper arm, facing out
Flanks, sides of body abdomen level
Patches with unusual application sites
Xulane: abdomen, back, arm or butt
Daytrana: Hip
Oxytrol: abdomen, hip or butt
Vivelle-Dot: lower abdomen or butt
Transderm-Scop: behind the ear
Which patches can you cut?
Lidoderm and Qutenza
Which patches need to be removed prior to having an MRI?
Clonidine (Catapres-TTS)
Rotigotine (Neupro)
Scopolamine (Transderm Scop)
Testosterone (Androderm)
Can you cover patches with tape?
Most cannot be covered, some can be covered around the edges
Fentanyl & Buprenorphine (Butrans) require special film = Bioclusive & Tegaderm
How to dispose of patches properly?
Press adhesive sides together and then dispose of it
More potent narcotic can be flushed