A patient receiving interferon beta-1b for multiple sclerosis or other reason can administer the drug by subcutaneous self-injection. The sites recommended for the injections follows a rotational pattern.
The purpose of site rotation is to minimize the chance for injection site reaction.
Site selection: an area with subcutaneous fat and that is away from joints, nerves, blood vessels and bones.
A dose is given every other day, so a complete cycle of injections is 48 days.
Pattern of 24 sites:
(1) 8 body area locations
(2) 3 zones (upper, middle, lower) in each region
Area
Site
1
right abdomen
2
anterior right thigh
3
left abdomen
4
anterior left thigh
5
posterior left arm
6
left buttock
7
posterior right arm
8
right buttock
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