meds; antiemetics Flashcards
Droperidol onset
1-5 min
Droperidol dose
0.625 mg
Droperidol duration
2-3 hrs
Droperidole MOA
Strong D2 antagonist
increase motility
increase esophageal sphincter tone
decrease duodenum and pylorus tone
Droperidole side effects
torsades/ prolonged QT
extrapyramidal syndrome
NMS
lots of drug interactions
avoid in dec dop levels (orthostatic hypotension, extrapyramidal syndrome, Parkinsons)
droperidol trade name
inapsine
Promethazine dose
6.25-25 mg
Promethazine onset
1-5 min
Promethazine duration
4-6 hrs
Promethazine brand name
Phenergan
promethazine MOA
1st generation Histamine 1 receptor antagonist
also reduces peripheral pain levels (anti-inflammatory)
effective as rescue
Promethazine Side effects
< 2yo = death
tissue necrosis
sedation
long QT
ondansetron dose
4 mg
ondansetron onset
10 min
ondansetron duration
4-9 hrs
ondansetron moa
competitive antagonist for 5hT3
prevent hypotension by inhibition of T1-T4/ bezold jarish reflex
ondansetron SE
Ha, Diarrhea, Long qt
not effective for motion sickness or vestibular stimulation
ondansetron peds dose
0.15 mg/kg
Dexamethasone dose
4 mg
Dexamethasone onset
10-30 min
can have a delayed onset up to 2 hrs
Dexamethasone duration
2-10 hrs
Dexamethasone peds dose
0.5mg/kg
Dexamethasone moa
corticosteroid
decrease endorphins and prostaglandins
increase effectiveness of 5ht3 antag and droperidol
antiinflammatory
dexamethasone SE
perineal burning
increase bg?
metoclopramide brand name
Reglan
metoclopramide dose
10-20 mg over 3-5 min. faster = abd cramping.
Metoclopramide onset
10 min