WhySub-q?
A subcutaneous (sub-q) infusion
delivers medication through a thin
needle to the fatty tissue just under
the skin. See page 11 for common
places to infuse.
Compared to IV, sub-q means smaller needles and more
personal choice over when to infuse. It eliminates the need
for vein punctures. Studies show sub-q may reduce adverse
reactions such as severe headache, nausea, and vomiting.
Many healthcare providers and patients prefer sub-q
immunoglobulin (SCIg) over intravenous delivery (IVIg).
SCIg
IVIg
vs.
Can be administered daily
to monthly, as determined
by your provider
Administered once every
3-4 weeks
No venous access required
Venous access required
Can be self-infused at home
after brief training
Usually administered by
trained healthcare personnel
Can be done anywhere at
patient’s convenience
Usually administered at
healthcare office/hospital
Subcutaneous slows down the rate that medication enters
the bloodstream. Combined with more frequent delivery,
this provides more consistent and stable blood levels,
decreases side effects and improves overall quality of life.
SCIg
IVIg
Ig Levels (g/L)
18
12
6
0
14
Days
28