eRX- pediatric dosing - Flash (Large) - 20110404 05.33.19PM
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Pediatric dosing
Principles
Principles
Principles
Dosing by Weight
Example
00:00
/
00:00
CC
and
use
of
Dose
Calculators
Adults
and
children
come
in
a
variety
of
sizesA
typical
child
is
born
at
7lbs
(3
KG)
and
and
may
grow
to
150lbs
(70
KG)or
much
morePrescribing
for
children
must
be
individualized
Dosing
by
WeightDosing
by
Body
Surface
Area
Babies
can’t
swallow
pillsSuspensions
and
solutions
(liquids)
tend
to
be
standard
for
oral
preparations
Medication
(mg)/child
weight
(Kg)/day
or
dose
(often
a
range)
Child
weight
may
need
conversion
lb
to
kgMedication
strength
mg/mlMedication
may
come
in
different
concentrations
(250mg/5ml,
500mg/
5ml)Dose
may
need
to
be
divided
by
frequency
A
4
month
old
weighing
14
lbs
has
severe
reflux
disease
and
you
decide
to
give
ranitidine.14lb
=
6.35
kg
(1kg=
2.2lbs)Typical
dose
5-10mg/kg/day
Frequency
divided
Q
12
hoursRanitidine
comes
in
15mg/mlIf
we
use
7.5mg/kg
per
day
that
results
in1.59
ml
(range
1-2ml)
by
mouth
every
12
hours